_Elbridge Thomas GERRY _____
                                                          |                            
                              _Robert Livingston GERRY Sr_|
                             | (1877 - 1957) m 1908       |
                             |                            |_Louisa Matilda LIVINGSTON _+
                             |                              (1836 - 1920)              
 _Robert Livingston GERRY Jr_|
| (1911 - 1979)              |
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|                            |_Cornelia Averell HARRIMAN _|
|                              (1884 - 1966) m 1908       |
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|
|--Robert Livingston GERRY III
|  (1937 - ....)
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|_Martha Leighton KRAMER ____|
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