_____________________
                                                 |                     
                          _______________________|
                         |                       |
                         |                       |_____________________
                         |                                             
 _Geradus John DEFOREST _|
| (1780 - 1829)          |
|                        |                        _____________________
|                        |                       |                     
|                        |_______________________|
|                                                |
|                                                |_____________________
|                                                                      
|
|--Cornelius Vanderbile DEFOREST 
|  (1817 - 1887)
|                                                 _Jacob VANDERBILT ___+
|                                                | (1722 - 1768) m 1746
|                         _Cornelius VANDERBILT _|
|                        | (1764 - 1832)         |
|                        |                       |_Mary SPRAGG ________+
|                        |                         (1728 - 1781) m 1746
|_Charlotte VANDERBILT __|
  (1792 - 1877)          |
                         |                        _Samuel HAND ________+
                         |                       | (1728 - 1817)       
                         |_Phebe HAND ___________|
                           (1767 - 1854)         |
                                                 |_Phebe LUM __________+
                                                   (1737 - 1788)