_Robert Livingston GERRY Sr_+
                                                           | (1877 - 1957) m 1908       
                               _Robert Livingston GERRY Jr_|
                              | (1911 - 1979)              |
                              |                            |_Cornelia Averell HARRIMAN _
                              |                              (1884 - 1966) m 1908       
 _Robert Livingston GERRY III_|
| (1937 - ....)               |
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|                             |_Martha Leighton KRAMER ____|
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|--Robert Livingston GERRY IV
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|_Sandra Isabel Lloyd SMITH __|
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