_______________________
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                            _______________________|
                           |                       |
                           |                       |_______________________
                           |                                               
 _William Knapp THORN _____|
| (1807 - 1887)            |
|                          |                        _______________________
|                          |                       |                       
|                          |_______________________|
|                                                  |
|                                                  |_______________________
|                                                                          
|
|--Emma Sophia THORN 
|  (1845 - 1887)
|                                                   _Cornelius VANDERBILT _+
|                                                  | (1764 - 1832)         
|                           _Cornelius VANDERBILT _|
|                          | (1794 - 1877) m 1813  |
|                          |                       |_Phebe HAND ___________+
|                          |                         (1767 - 1854)         
|_Emily Almira VANDERBILT _|
  (1823 - 1896)            |
                           |                        _Nathaniel JOHNSON ____+
                           |                       | (1765 - 1802) m 1791  
                           |_Sophia JOHNSON _______|
                             (1795 - 1868) m 1813  |
                                                   |_Elizabeth SIMONSON ___+
                                                     (1770 - 1841) m 1791