<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019cb58c-3b3b-7310-aefa-07b65557dfe0,g:799bd7f0-1cea-401d-8907-c8e52014f4cb-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:mkl="http://www.mklgroup.com/20260331" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.mklgroup.com/20260331">
  <xs:import namespace="http://fasb.org/srt/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/ecd/2025" schemaLocation="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="mkl-20260331_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="mkl-20260331_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="mkl-20260331_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="mkl-20260331_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="DocumentAndEntityInformation" roleURI="http://www.mklgroup.com/role/DocumentAndEntityInformation">
        <link:definition>0000001 - Document - Document And Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedBalanceSheets" roleURI="http://www.mklgroup.com/role/ConsolidatedBalanceSheets">
        <link:definition>9952151 - Statement - Consolidated Balance Sheets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedBalanceSheetsParenthetical" roleURI="http://www.mklgroup.com/role/ConsolidatedBalanceSheetsParenthetical">
        <link:definition>9952152 - Statement - Consolidated Balance Sheets (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsOfIncomeAndComprehensiveIncome" roleURI="http://www.mklgroup.com/role/ConsolidatedStatementsOfIncomeAndComprehensiveIncome">
        <link:definition>9952153 - Statement - Consolidated Statements Of Income And Comprehensive Income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsOfChangesInEquity" roleURI="http://www.mklgroup.com/role/ConsolidatedStatementsOfChangesInEquity">
        <link:definition>9952154 - Statement - Consolidated Statements Of Changes In Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsOfCashFlows" roleURI="http://www.mklgroup.com/role/CondensedConsolidatedStatementsOfCashFlows">
        <link:definition>9952155 - Statement - Condensed Consolidated Statements Of Cash Flows</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPolicies" roleURI="http://www.mklgroup.com/role/SummaryOfSignificantAccountingPolicies">
        <link:definition>9952156 - Disclosure - Summary Of Significant Accounting Policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentReportingDisclosures" roleURI="http://www.mklgroup.com/role/SegmentReportingDisclosures">
        <link:definition>9952157 - Disclosure - Segment Reporting Disclosures</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Investments" roleURI="http://www.mklgroup.com/role/Investments">
        <link:definition>9952158 - Disclosure - Investments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurements" roleURI="http://www.mklgroup.com/role/FairValueMeasurements">
        <link:definition>9952159 - Disclosure - Fair Value Measurements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ProductsServicesandOtherRevenues" roleURI="http://www.mklgroup.com/role/ProductsServicesandOtherRevenues">
        <link:definition>9952160 - Disclosure - Products, Services and Other Revenues</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="UnpaidLossesAndLossAdjustmentExpenses" roleURI="http://www.mklgroup.com/role/UnpaidLossesAndLossAdjustmentExpenses">
        <link:definition>9952161 - Disclosure - Unpaid Losses And Loss Adjustment Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Reinsurance" roleURI="http://www.mklgroup.com/role/Reinsurance">
        <link:definition>9952162 - Disclosure - Reinsurance</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartyTransactions" roleURI="http://www.mklgroup.com/role/RelatedPartyTransactions">
        <link:definition>9952163 - Disclosure - Related Party Transactions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ShareholdersEquity" roleURI="http://www.mklgroup.com/role/ShareholdersEquity">
        <link:definition>9952164 - Disclosure - Shareholders' Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Contingencies" roleURI="http://www.mklgroup.com/role/Contingencies">
        <link:definition>9952165 - Disclosure - Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesPolicies" roleURI="http://www.mklgroup.com/role/SummaryOfSignificantAccountingPoliciesPolicies">
        <link:definition>9955511 - Disclosure - Summary Of Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentReportingDisclosuresTables" roleURI="http://www.mklgroup.com/role/SegmentReportingDisclosuresTables">
        <link:definition>9955512 - Disclosure - Segment Reporting Disclosures (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsTables" roleURI="http://www.mklgroup.com/role/InvestmentsTables">
        <link:definition>9955513 - Disclosure - Investments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsTables" roleURI="http://www.mklgroup.com/role/FairValueMeasurementsTables">
        <link:definition>9955514 - Disclosure - Fair Value Measurements (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ProductsServicesandOtherRevenuesTables" roleURI="http://www.mklgroup.com/role/ProductsServicesandOtherRevenuesTables">
        <link:definition>9955515 - Disclosure - Products, Services and Other Revenues (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="UnpaidLossesAndLossAdjustmentExpensesTables" roleURI="http://www.mklgroup.com/role/UnpaidLossesAndLossAdjustmentExpensesTables">
        <link:definition>9955516 - Disclosure - Unpaid Losses And Loss Adjustment Expenses (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ReinsuranceTables" roleURI="http://www.mklgroup.com/role/ReinsuranceTables">
        <link:definition>9955517 - Disclosure - Reinsurance (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ShareholdersEquityTables" roleURI="http://www.mklgroup.com/role/ShareholdersEquityTables">
        <link:definition>9955518 - Disclosure - Shareholders' Equity (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentReportingDisclosuresNarrativeDetails" roleURI="http://www.mklgroup.com/role/SegmentReportingDisclosuresNarrativeDetails">
        <link:definition>9955519 - Disclosure - Segment Reporting Disclosures (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentReportingDisclosuresCompanysSegmentDisclosuresDetails" roleURI="http://www.mklgroup.com/role/SegmentReportingDisclosuresCompanysSegmentDisclosuresDetails">
        <link:definition>9955520 - Disclosure - Segment Reporting Disclosures (Company's Segment Disclosures) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentReportingDisclosuresCapitalexpendituresattributabletotheIndustrialConsumerandOthersegmentsDetails" roleURI="http://www.mklgroup.com/role/SegmentReportingDisclosuresCapitalexpendituresattributabletotheIndustrialConsumerandOthersegmentsDetails">
        <link:definition>9955521 - Disclosure - Segment Reporting Disclosures (Capital expenditures attributable to the Industrial &amp; Consumer and Other segments) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentReportingDisclosuresReconciliationOfSegmentAssetsToTheCompanysConsolidatedBalanceSheetsDetails" roleURI="http://www.mklgroup.com/role/SegmentReportingDisclosuresReconciliationOfSegmentAssetsToTheCompanysConsolidatedBalanceSheetsDetails">
        <link:definition>9955522 - Disclosure - Segment Reporting Disclosures (Reconciliation Of Segment Assets To The Company's Consolidated Balance Sheets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsNarrativeDetails" roleURI="http://www.mklgroup.com/role/InvestmentsNarrativeDetails">
        <link:definition>9955523 - Disclosure - Investments (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsAvailableForSaleInvestmentsDetails" roleURI="http://www.mklgroup.com/role/InvestmentsAvailableForSaleInvestmentsDetails">
        <link:definition>9955524 - Disclosure - Investments (Available-For-Sale Investments) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsSummaryOfGrossUnrealizedInvestmentLossesByLengthOfTimeThatSecuritiesHaveContinuouslyBeenInAnUnrealizedLossPositionDetails" roleURI="http://www.mklgroup.com/role/InvestmentsSummaryOfGrossUnrealizedInvestmentLossesByLengthOfTimeThatSecuritiesHaveContinuouslyBeenInAnUnrealizedLossPositionDetails">
        <link:definition>9955525 - Disclosure - Investments (Summary Of Gross Unrealized Investment Losses By Length Of Time That Securities Have Continuously Been In An Unrealized Loss Position) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsScheduleOfAmortizedCostAndEstimatedFairValueOfFixedMaturitySecuritiesByContractualMaturityDateDetails" roleURI="http://www.mklgroup.com/role/InvestmentsScheduleOfAmortizedCostAndEstimatedFairValueOfFixedMaturitySecuritiesByContractualMaturityDateDetails">
        <link:definition>9955526 - Disclosure - Investments (Schedule Of Amortized Cost And Estimated Fair Value Of Fixed Maturity Securities By Contractual Maturity Date) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsComponentsOfNetInvestmentIncomeDetails" roleURI="http://www.mklgroup.com/role/InvestmentsComponentsOfNetInvestmentIncomeDetails">
        <link:definition>9955527 - Disclosure - Investments (Components Of Net Investment Income) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsSummaryOfNetInvestmentGainsLossesAndTheChangeInNetUnrealizedGainsOnInvestmentsDetails" roleURI="http://www.mklgroup.com/role/InvestmentsSummaryOfNetInvestmentGainsLossesAndTheChangeInNetUnrealizedGainsOnInvestmentsDetails">
        <link:definition>9955528 - Disclosure - Investments (Summary Of Net Investment Gains (Losses) And The Change In Net Unrealized Gains On Investments) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsNarrativeDetails" roleURI="http://www.mklgroup.com/role/FairValueMeasurementsNarrativeDetails">
        <link:definition>9955529 - Disclosure - Fair Value Measurements (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsBalancesOfAssetsMeasuredAtFairValueOnARecurringBasisDetails" roleURI="http://www.mklgroup.com/role/FairValueMeasurementsBalancesOfAssetsMeasuredAtFairValueOnARecurringBasisDetails">
        <link:definition>9955530 - Disclosure - Fair Value Measurements (Balances Of Assets Measured At Fair Value On A Recurring Basis) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ProductsServicesandOtherRevenuesScheduleOfRevenuesFromContractsWithCustomersByTypeDetails" roleURI="http://www.mklgroup.com/role/ProductsServicesandOtherRevenuesScheduleOfRevenuesFromContractsWithCustomersByTypeDetails">
        <link:definition>9955531 - Disclosure - Products, Services and Other Revenues (Schedule Of Revenues From Contracts With Customers By Type) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ProductsServicesandOtherRevenuesScheduleOfReceivablesAndCustomerDepositsRelatedToContractsWithCustomersDetails" roleURI="http://www.mklgroup.com/role/ProductsServicesandOtherRevenuesScheduleOfReceivablesAndCustomerDepositsRelatedToContractsWithCustomersDetails">
        <link:definition>9955532 - Disclosure - Products, Services and Other Revenues (Schedule Of Receivables And Customer Deposits Related To Contracts With Customers) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="UnpaidLossesAndLossAdjustmentExpensesNarrativeDetails" roleURI="http://www.mklgroup.com/role/UnpaidLossesAndLossAdjustmentExpensesNarrativeDetails">
        <link:definition>9955533 - Disclosure - Unpaid Losses And Loss Adjustment Expenses (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="UnpaidLossesAndLossAdjustmentExpensesReconciliationOfConsolidatedReservesForLossesAndLossAdjustmentExpensesDetails" roleURI="http://www.mklgroup.com/role/UnpaidLossesAndLossAdjustmentExpensesReconciliationOfConsolidatedReservesForLossesAndLossAdjustmentExpensesDetails">
        <link:definition>9955534 - Disclosure - Unpaid Losses And Loss Adjustment Expenses (Reconciliation Of Consolidated Reserves For Losses And Loss Adjustment Expenses) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ReinsuranceNarrativeDetails" roleURI="http://www.mklgroup.com/role/ReinsuranceNarrativeDetails">
        <link:definition>9955535 - Disclosure - Reinsurance (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ReinsuranceEffectOfReinsuranceAndRetrocessionalReinsuranceOnPremiumsWrittenAndEarnedDetails" roleURI="http://www.mklgroup.com/role/ReinsuranceEffectOfReinsuranceAndRetrocessionalReinsuranceOnPremiumsWrittenAndEarnedDetails">
        <link:definition>9955536 - Disclosure - Reinsurance (Effect Of Reinsurance And Retrocessional Reinsurance On Premiums Written And Earned) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ReinsuranceCededearnedpremiumstoGEPAssumedearnedpremiumstoNEPDetails" roleURI="http://www.mklgroup.com/role/ReinsuranceCededearnedpremiumstoGEPAssumedearnedpremiumstoNEPDetails">
        <link:definition>9955537 - Disclosure - Reinsurance (Ceded earned premiums to GEP &amp; Assumed earned premiums to NEP) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ReinsuranceEffectOfReinsuranceAndRetrocessionalReinsuranceOnLossesDetails" roleURI="http://www.mklgroup.com/role/ReinsuranceEffectOfReinsuranceAndRetrocessionalReinsuranceOnLossesDetails">
        <link:definition>9955538 - Disclosure - Reinsurance (Effect Of Reinsurance And Retrocessional Reinsurance On Losses) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartyTransactionsNarrativeDetails" roleURI="http://www.mklgroup.com/role/RelatedPartyTransactionsNarrativeDetails">
        <link:definition>9955539 - Disclosure - Related Party Transactions (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ShareholdersEquityNarrativeDetails" roleURI="http://www.mklgroup.com/role/ShareholdersEquityNarrativeDetails">
        <link:definition>9955540 - Disclosure - Shareholders' Equity (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ShareholdersEquityScheduleofCommonStockOutstandingRollForwardDetails" roleURI="http://www.mklgroup.com/role/ShareholdersEquityScheduleofCommonStockOutstandingRollForwardDetails">
        <link:definition>9955541 - Disclosure - Shareholders' Equity (Schedule of Common Stock Outstanding Roll Forward) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ShareholdersEquityScheduleOfNetIncomeLossPerShareDetails" roleURI="http://www.mklgroup.com/role/ShareholdersEquityScheduleOfNetIncomeLossPerShareDetails">
        <link:definition>9955542 - Disclosure - Shareholders' Equity (Schedule Of Net Income (Loss) Per Share) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="mkl_ProductsRevenues" abstract="false" name="ProductsRevenues" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_Servicesandotherrevenues" abstract="false" name="Servicesandotherrevenues" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_NetInvestmentGainsLosses" abstract="false" name="NetInvestmentGainsLosses" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_UnderwritingAcquisitionAndInsuranceExpenses" abstract="false" name="UnderwritingAcquisitionAndInsuranceExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_Productsexpenses" abstract="false" name="Productsexpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_Servicesandotherexpenses" abstract="false" name="Servicesandotherexpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_TotalEquityMember" abstract="true" name="TotalEquityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_RedeemableNoncontrollingInterestsTemporaryEquityMember" abstract="true" name="RedeemableNoncontrollingInterestsTemporaryEquityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_EducationalPartnersInternationalMember" abstract="true" name="EducationalPartnersInternationalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_CapitalExpendituresAttributableToTheIndustrialConsumerAndOtherSegmentsTableTextBlock" abstract="false" name="CapitalExpendituresAttributableToTheIndustrialConsumerAndOtherSegmentsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="mkl_PercentageOfReinsuranceCededEarnedPremiumsToGEPAssumedEarnedPremiumsToNEPTableTextBlock" abstract="false" name="PercentageOfReinsuranceCededEarnedPremiumsToGEPAssumedEarnedPremiumsToNEPTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="mkl_EffectsOfReinsuranceOnLossesAndLossAdjustmentExpensesTableTextBlock" abstract="false" name="EffectsOfReinsuranceOnLossesAndLossAdjustmentExpensesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="mkl_GlobalReinsuranceDivisionMember" abstract="true" name="GlobalReinsuranceDivisionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_MarkelInsuranceMember" abstract="true" name="MarkelInsuranceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_IndustrialMember" abstract="true" name="IndustrialMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_FinancialMember" abstract="true" name="FinancialMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_ConsumerAndOtherMember" abstract="true" name="ConsumerAndOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_CorporateAndEliminationsMember" abstract="true" name="CorporateAndEliminationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_CorporateOperationsMember" abstract="true" name="CorporateOperationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_OperatingRevenues" abstract="false" name="OperatingRevenues" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_AttritionalCurrentYearClaimsAndClaimsAdjustmentExpense" abstract="false" name="AttritionalCurrentYearClaimsAndClaimsAdjustmentExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_CatastropheCurrentYearClaimsAndClaimsAdjustmentExpense" abstract="false" name="CatastropheCurrentYearClaimsAndClaimsAdjustmentExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_SupplementalInfoForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpenseIncludingAmountsRelatedToLiabilitiesNotIncludedInUnpaidLossesAndLAE" abstract="false" name="SupplementalInfoForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpenseIncludingAmountsRelatedToLiabilitiesNotIncludedInUnpaidLossesAndLAE" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_AdjustedOperatingIncomeLoss" abstract="false" name="AdjustedOperatingIncomeLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_CapitalExpenditure" abstract="false" name="CapitalExpenditure" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_InvestmentsAvailableForSaleAllowanceForCreditLoss" abstract="false" name="InvestmentsAvailableForSaleAllowanceForCreditLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_AgencyMortgageBackedSecuritiesMember" abstract="true" name="AgencyMortgageBackedSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_NonAgencyMortgageBackedSecuritiesMember" abstract="true" name="NonAgencyMortgageBackedSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_ShorttermInvestmentsAvailableforSaleAmortizedCostBasis" abstract="false" name="ShorttermInvestmentsAvailableforSaleAmortizedCostBasis" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_ShorttermInvestmentsAvailableforSaleAccumulatedGrossUnrealizedGainBeforeTax" abstract="false" name="ShorttermInvestmentsAvailableforSaleAccumulatedGrossUnrealizedGainBeforeTax" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_ShorttermInvestmentsAvailableforSaleAccumulatedGrossUnrealizedLossBeforeTax" abstract="false" name="ShorttermInvestmentsAvailableforSaleAccumulatedGrossUnrealizedLossBeforeTax" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_ShorttermInvestmentsAvailableforSale" abstract="false" name="ShorttermInvestmentsAvailableforSale" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_InvestmentsAvailableforSaleAmortizedCostBasis" abstract="false" name="InvestmentsAvailableforSaleAmortizedCostBasis" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_InvestmentsAvailableforSaleAccumulatedGrossUnrealizedGainBeforeTax" abstract="false" name="InvestmentsAvailableforSaleAccumulatedGrossUnrealizedGainBeforeTax" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_InvestmentsAvailableforSaleAccumulatedGrossUnrealizedLossBeforeTax" abstract="false" name="InvestmentsAvailableforSaleAccumulatedGrossUnrealizedLossBeforeTax" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_InvestmentsAvailableforSale" abstract="false" name="InvestmentsAvailableforSale" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_ShorttermInvestmentsAvailableforsaleContinuousUnrealizedLossPositionLessthan12Months" abstract="false" name="ShorttermInvestmentsAvailableforsaleContinuousUnrealizedLossPositionLessthan12Months" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_ShorttermInvestmentsAvailableforsaleContinuousUnrealizedLossPositionLessthan12MonthsAccumulatedLoss" abstract="false" name="ShorttermInvestmentsAvailableforsaleContinuousUnrealizedLossPositionLessthan12MonthsAccumulatedLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_ShorttermInvestmentsAvailableforsaleContinuousUnrealizedLossPosition12MonthsorLonger" abstract="false" name="ShorttermInvestmentsAvailableforsaleContinuousUnrealizedLossPosition12MonthsorLonger" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_ShorttermInvestmentsAvailableforsaleContinuousUnrealizedLossPosition12MonthsorLongerAccumulatedLoss" abstract="false" name="ShorttermInvestmentsAvailableforsaleContinuousUnrealizedLossPosition12MonthsorLongerAccumulatedLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_ShorttermInvestmentsAvailableforsaleUnrealizedLossPositionTotal" abstract="false" name="ShorttermInvestmentsAvailableforsaleUnrealizedLossPositionTotal" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_ShorttermInvestmentsAvailableforsaleUnrealizedLossPositionAccumulatedLoss" abstract="false" name="ShorttermInvestmentsAvailableforsaleUnrealizedLossPositionAccumulatedLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_ServicesMember" abstract="true" name="ServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_ManagementFeesMember" abstract="true" name="ManagementFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_RevenuesFromProgramServicesAndOtherFronting" abstract="false" name="RevenuesFromProgramServicesAndOtherFronting" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_EquityMethodAndOtherInvestmentsIncomeLoss" abstract="false" name="EquityMethodAndOtherInvestmentsIncomeLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_OtherRevenuesLosses" abstract="false" name="OtherRevenuesLosses" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_ProductsRevenuesAndServicesAndOtherRevenues" abstract="false" name="ProductsRevenuesAndServicesAndOtherRevenues" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_OtherRevenueTable" abstract="true" name="OtherRevenueTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="mkl_ContractsWithCustomersMember" abstract="true" name="ContractsWithCustomersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_OtherRevenueLineItems" abstract="true" name="OtherRevenueLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mkl_MarkelInsuranceExcludingGlobalReinsuranceDivisionMember" abstract="true" name="MarkelInsuranceExcludingGlobalReinsuranceDivisionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_ProfessionalLiabilityCreditAndSuretyAndWorkersCompensationInsuranceProductLinesMember" abstract="true" name="ProfessionalLiabilityCreditAndSuretyAndWorkersCompensationInsuranceProductLinesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_ProfessionalLiabilityGeneralLiabilityMarineAndEnergyAndWorkersCompensationInsuranceProductLinesMember" abstract="true" name="ProfessionalLiabilityGeneralLiabilityMarineAndEnergyAndWorkersCompensationInsuranceProductLinesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_MiddleEastConflict2026Member" abstract="true" name="MiddleEastConflict2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_CaliforniaWildfires2025Member" abstract="true" name="CaliforniaWildfires2025Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_RetroactiveReinsuranceTransactionWithHagertyReMember" abstract="true" name="RetroactiveReinsuranceTransactionWithHagertyReMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_HagertyIncMember" abstract="true" name="HagertyIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_RetroactiveReinsuranceTransactionWithHagertyReNetLossesAndLossAdjustmentExpenses" abstract="false" name="RetroactiveReinsuranceTransactionWithHagertyReNetLossesAndLossAdjustmentExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_RetroactiveReinsuranceTransactionWithHagertyReCashPayments" abstract="false" name="RetroactiveReinsuranceTransactionWithHagertyReCashPayments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_AdjustedLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet" abstract="false" name="AdjustedLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_FrontingMember" abstract="true" name="FrontingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_UnderwritingOperationsMember" abstract="true" name="UnderwritingOperationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_PremiumsPercentageCededToGross" abstract="false" name="PremiumsPercentageCededToGross" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="mkl_FundManagementMember" abstract="true" name="FundManagementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_UnconsolidatedEntitiesManagedByNephilaMember" abstract="true" name="UnconsolidatedEntitiesManagedByNephilaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_NephilaReinsurersMember" abstract="true" name="NephilaReinsurersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mkl_RetroactiveReinsuranceTransactionWithHagertyReUnearnedPremiums" abstract="false" name="RetroactiveReinsuranceTransactionWithHagertyReUnearnedPremiums" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mkl_AdjustedNetIncomeLoss" abstract="false" name="AdjustedNetIncomeLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
