<?xml version="1.0" encoding="us-ascii"?>
<informationTable xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.sec.gov/edgar/document/thirteenf/informationtable">
    <infoTable>
        <nameOfIssuer>FLEXSHARES TR</nameOfIssuer>
        <titleOfClass>MORNSTAR UPSTR</titleOfClass>
        <cusip>33939L407</cusip>
        <value>192417098</value>
        <shrsOrPrnAmt>
            <sshPrnamt>4395091</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>4395091</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>GLOBAL X FDS</nameOfIssuer>
        <titleOfClass>S&amp;P 500 CATHOLIC</titleOfClass>
        <cusip>37954Y889</cusip>
        <value>9955131</value>
        <shrsOrPrnAmt>
            <sshPrnamt>122814</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>122814</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>INVESCO EXCHANGE TRADED FD T</nameOfIssuer>
        <titleOfClass>S&amp;P500 EQL WGT</titleOfClass>
        <cusip>46137V357</cusip>
        <value>42084462</value>
        <shrsOrPrnAmt>
            <sshPrnamt>221847</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>221847</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>INVESCO QQQ TR</nameOfIssuer>
        <titleOfClass>UNIT SER 1</titleOfClass>
        <cusip>46090E103</cusip>
        <value>1552213</value>
        <shrsOrPrnAmt>
            <sshPrnamt>2585</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>2585</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>ISHARES INC</nameOfIssuer>
        <titleOfClass>MSCI GBL MIN VOL</titleOfClass>
        <cusip>464286525</cusip>
        <value>30822678</value>
        <shrsOrPrnAmt>
            <sshPrnamt>257027</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>257027</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>ISHARES TR</nameOfIssuer>
        <titleOfClass>7-10 YR TRSY BD</titleOfClass>
        <cusip>464287440</cusip>
        <value>8708758</value>
        <shrsOrPrnAmt>
            <sshPrnamt>90284</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>90284</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>ISHARES TR</nameOfIssuer>
        <titleOfClass>CORE S&amp;P MCP ETF</titleOfClass>
        <cusip>464287507</cusip>
        <value>10038684</value>
        <shrsOrPrnAmt>
            <sshPrnamt>153826</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>153826</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>ISHARES TR</nameOfIssuer>
        <titleOfClass>CORE S&amp;P SCP ETF</titleOfClass>
        <cusip>464287804</cusip>
        <value>9194478</value>
        <shrsOrPrnAmt>
            <sshPrnamt>77375</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>77375</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>ISHARES TR</nameOfIssuer>
        <titleOfClass>CORE S&amp;P500 ETF</titleOfClass>
        <cusip>464287200</cusip>
        <value>19298156</value>
        <shrsOrPrnAmt>
            <sshPrnamt>28833</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>28833</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>ISHARES TR</nameOfIssuer>
        <titleOfClass>CORE US AGGBD ET</titleOfClass>
        <cusip>464287226</cusip>
        <value>40986487</value>
        <shrsOrPrnAmt>
            <sshPrnamt>408843</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>408843</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>ISHARES TR</nameOfIssuer>
        <titleOfClass>ESG AWR US AGRGT</titleOfClass>
        <cusip>46435U549</cusip>
        <value>378026</value>
        <shrsOrPrnAmt>
            <sshPrnamt>7871</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>7871</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>ISHARES TR</nameOfIssuer>
        <titleOfClass>ESG OPTIMIZED</titleOfClass>
        <cusip>464288802</cusip>
        <value>497755</value>
        <shrsOrPrnAmt>
            <sshPrnamt>3669</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>3669</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>ISHARES TR</nameOfIssuer>
        <titleOfClass>INTRM GOV CR ETF</titleOfClass>
        <cusip>464288612</cusip>
        <value>208535</value>
        <shrsOrPrnAmt>
            <sshPrnamt>1941</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>1941</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>ISHARES TR</nameOfIssuer>
        <titleOfClass>MSCI ACWI ETF</titleOfClass>
        <cusip>464288257</cusip>
        <value>68644321</value>
        <shrsOrPrnAmt>
            <sshPrnamt>496559</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>496559</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>ISHARES TR</nameOfIssuer>
        <titleOfClass>MSCI ACWI EX US</titleOfClass>
        <cusip>464288240</cusip>
        <value>2553365</value>
        <shrsOrPrnAmt>
            <sshPrnamt>39276</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>39276</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>ISHARES TR</nameOfIssuer>
        <titleOfClass>MSCI EAFE ETF</titleOfClass>
        <cusip>464287465</cusip>
        <value>17499575</value>
        <shrsOrPrnAmt>
            <sshPrnamt>187422</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>187422</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>ISHARES TR</nameOfIssuer>
        <titleOfClass>MSCI EMG MKT ETF</titleOfClass>
        <cusip>464287234</cusip>
        <value>401844</value>
        <shrsOrPrnAmt>
            <sshPrnamt>7525</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>7525</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>ISHARES U S ETF TR</nameOfIssuer>
        <titleOfClass>BLOOMBERG ROLL</titleOfClass>
        <cusip>46431W598</cusip>
        <value>901269</value>
        <shrsOrPrnAmt>
            <sshPrnamt>17134</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>17134</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>SPDR S&amp;P 500 ETF TR</nameOfIssuer>
        <titleOfClass>TR UNIT</titleOfClass>
        <cusip>78462F103</cusip>
        <value>562092706</value>
        <shrsOrPrnAmt>
            <sshPrnamt>843755</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>843755</Sole>
            <Shared>0</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>VANECK ETF TRUST</nameOfIssuer>
        <titleOfClass>ISRAEL ETF</titleOfClass>
        <cusip>92189F635</cusip>
        <value>996614</value>
        <shrsOrPrnAmt>
            <sshPrnamt>18255</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>18255</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>VANGUARD INDEX FDS</nameOfIssuer>
        <titleOfClass>REAL ESTATE ETF</titleOfClass>
        <cusip>922908553</cusip>
        <value>5674105</value>
        <shrsOrPrnAmt>
            <sshPrnamt>62066</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>62066</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>VANGUARD INDEX FDS</nameOfIssuer>
        <titleOfClass>S&amp;P 500 ETF SHS</titleOfClass>
        <cusip>922908363</cusip>
        <value>108241953</value>
        <shrsOrPrnAmt>
            <sshPrnamt>176756</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>44819</Sole>
            <Shared>131937</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>VANGUARD INTL EQUITY INDEX F</nameOfIssuer>
        <titleOfClass>ALLWRLD EX US</titleOfClass>
        <cusip>922042775</cusip>
        <value>2008875</value>
        <shrsOrPrnAmt>
            <sshPrnamt>28147</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>28147</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>VANGUARD INTL EQUITY INDEX F</nameOfIssuer>
        <titleOfClass>FTSE EMR MKT ETF</titleOfClass>
        <cusip>922042858</cusip>
        <value>864060</value>
        <shrsOrPrnAmt>
            <sshPrnamt>15948</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>0</Sole>
            <Shared>15948</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
    <infoTable>
        <nameOfIssuer>VANGUARD TAX-MANAGED FDS</nameOfIssuer>
        <titleOfClass>VAN FTSE DEV MKT</titleOfClass>
        <cusip>921943858</cusip>
        <value>27566839</value>
        <shrsOrPrnAmt>
            <sshPrnamt>460061</sshPrnamt>
            <sshPrnamtType>SH</sshPrnamtType>
        </shrsOrPrnAmt>
        <investmentDiscretion>DFND</investmentDiscretion>
        <otherManager>1</otherManager>
        <votingAuthority>
            <Sole>149848</Sole>
            <Shared>310213</Shared>
            <None>0</None>
        </votingAuthority>
    </infoTable>
</informationTable>
