_John VAN RENSSELAER _____+
                                                  | (1784 - 1870)            
                         _James VAN RENSSELAER ___|
                        | (1812 - 1840)           |
                        |                         |_Elizabeth VAN CORTLANDT _
                        |                           (1787 - 1868)            
 _James VAN RENSSELAER _|
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|                       |_Margaret Rutgers BIRCH _|
|                         (1810 - 1879)           |
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|
|--Sarah Schuyler VAN RENSSELAER 
|  (1870 - ....)
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|_Margaret DUXBURY _____|
                        |
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