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  <xs:element id="fgbi_PercentageOfOutstandingCapitalStockMaximum" abstract="false" name="PercentageOfOutstandingCapitalStockMaximum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="fgbi_DirectorsAndExecutiveOfficersMember" abstract="true" name="DirectorsAndExecutiveOfficersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fgbi_PrintingServicesSuppliesOfficeFurnitureAndEquipmentToChampionIndustriesIncMember" abstract="true" name="PrintingServicesSuppliesOfficeFurnitureAndEquipmentToChampionIndustriesIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fgbi_PurchaseAndMaintenanceOfAutomobilesToHoodAutomotiveGroupMember" abstract="true" name="PurchaseAndMaintenanceOfAutomobilesToHoodAutomotiveGroupMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fgbi_ArchitecturalServicesToGasawayBankstonArchitectsMember" abstract="true" name="ArchitecturalServicesToGasawayBankstonArchitectsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fgbi_PropertyCasualtyInsuranceAndHealthInsuranceToCenturionInsuranceMember" abstract="true" name="PropertyCasualtyInsuranceAndHealthInsuranceToCenturionInsuranceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fgbi_SaleAndLeasebackTransactionMember" abstract="true" name="SaleAndLeasebackTransactionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fgbi_SmithTateInvestmentL.L.C.Member" abstract="true" name="SmithTateInvestmentL.L.C.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fgbi_CenturionInsuranceMember" abstract="true" name="CenturionInsuranceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fgbi_StandAloneBranchMember" abstract="true" name="StandAloneBranchMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fgbi_DebtInstrumentNonCallableTerm" abstract="false" name="DebtInstrumentNonCallableTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="fgbi_NumberOfPropertiesSold" abstract="false" name="NumberOfPropertiesSold" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="fgbi_SaleAndLeasebackTransactionGainLossBeforeTax" abstract="false" name="SaleAndLeasebackTransactionGainLossBeforeTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_EquityBonusPlanMember" abstract="true" name="EquityBonusPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fgbi_DefinedContributionPlanMinimumAnnualContributionsPerEmployeePercent" abstract="false" name="DefinedContributionPlanMinimumAnnualContributionsPerEmployeePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="fgbi_DefinedContributionPlanMaximumMatchingPercentage" abstract="false" name="DefinedContributionPlanMaximumMatchingPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="fgbi_NumberOfEmployeesPartOfEquityPlan" abstract="false" name="NumberOfEmployeesPartOfEquityPlan" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="fgbi_AutomatedTellerMachineFees" abstract="false" name="AutomatedTellerMachineFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_SoftwareExpenseAndAmortization" abstract="false" name="SoftwareExpenseAndAmortization" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_TelephoneExpense" abstract="false" name="TelephoneExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_AmortizationOfCoreDeposits" abstract="false" name="AmortizationOfCoreDeposits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_Donations" abstract="false" name="Donations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_NetCostsFromOtherRealEstateAndRepossessions" abstract="false" name="NetCostsFromOtherRealEstateAndRepossessions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_RegulatoryAssessment" abstract="false" name="RegulatoryAssessment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_NonInterestExpenseOther" abstract="false" name="NonInterestExpenseOther" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_DeferredTaxAssetDebtSecuritiesAvailableForSaleSecuritiesTransferredToHeldToMaturityUnrealizedLoss" abstract="false" name="DeferredTaxAssetDebtSecuritiesAvailableForSaleSecuritiesTransferredToHeldToMaturityUnrealizedLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_DeferredTaxLiabilitiesDiscountOnPurchasedLoans" abstract="false" name="DeferredTaxLiabilitiesDiscountOnPurchasedLoans" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_DeferredTaxLiabilitiesOtherRealEstateOwned" abstract="false" name="DeferredTaxLiabilitiesOtherRealEstateOwned" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_UnfundedCommitmentUnderLinesOfCreditMember" abstract="true" name="UnfundedCommitmentUnderLinesOfCreditMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fgbi_LawsuitAllegingFaultForALossOfFundsMember" abstract="true" name="LawsuitAllegingFaultForALossOfFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fgbi_ExtensionPeriodOfMajorityOfShortTermBorrowing" abstract="false" name="ExtensionPeriodOfMajorityOfShortTermBorrowing" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="fgbi_MaximumExtensionPeriodOfShortTermBorrowing" abstract="false" name="MaximumExtensionPeriodOfShortTermBorrowing" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="fgbi_LesseeOperatingLeaseLiabilityAnnualPayment" abstract="false" name="LesseeOperatingLeaseLiabilityAnnualPayment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_DebtSecuritiesAvailableForSalePeriodIncreaseDecrease" abstract="false" name="DebtSecuritiesAvailableForSalePeriodIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_ImpairedLoansReceivableFairValueDisclosure" abstract="false" name="ImpairedLoansReceivableFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_OtherRealEstateFairValueDisclosure" abstract="false" name="OtherRealEstateFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_CashAndDueFromBanksMember" abstract="true" name="CashAndDueFromBanksMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fgbi_FederalFundsSoldFairValueDisclosure" abstract="false" name="FederalFundsSoldFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_AccruedInterestReceivableFairValueDisclosure" abstract="false" name="AccruedInterestReceivableFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_LongTermAdvancesFromFederalHomeLoanBankFairValueDisclosure" abstract="false" name="LongTermAdvancesFromFederalHomeLoanBankFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_PercentageOfEntityDeposits" abstract="false" name="PercentageOfEntityDeposits" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="fgbi_NumberOfDepositsOfDepositingAuthorities" abstract="false" name="NumberOfDepositsOfDepositingAuthorities" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="fgbi_PublicFundDeposits" abstract="false" name="PublicFundDeposits" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_DallasFortWorthTexasMember" abstract="true" name="DallasFortWorthTexasMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fgbi_WacoTexasMember" abstract="true" name="WacoTexasMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fgbi_NumberOfBranchesSold" abstract="false" name="NumberOfBranchesSold" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="fgbi_DisposalGroupIncludingDiscontinuedOperationDeposits" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationDeposits" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_DisposalGroupDepositPremiumPercentage" abstract="false" name="DisposalGroupDepositPremiumPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="fgbi_Tier1LeverageRatioIncreaseDecrease" abstract="false" name="Tier1LeverageRatioIncreaseDecrease" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="fgbi_InvestmentsInSubsidiaries" abstract="false" name="InvestmentsInSubsidiaries" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fgbi_IncomeLossFromContinuingOperationsNetOfTaxBeforeEquityMethodInvestmentsAttributableToParent" abstract="false" name="IncomeLossFromContinuingOperationsNetOfTaxBeforeEquityMethodInvestmentsAttributableToParent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
