_Pierre Samuel DU PONT-NEMOURS _____________________+
                                                                   | (1739 - 1817) m 1766                               
                               _Victor Marie DU PONT ______________|
                              | (1767 - 1827) m 1794               |
                              |                                    |_Nicole Charlotte Marie Louise le Dée of RENCOURT _
                              |                                      (1743 - 1784) m 1766                               
 _Charles Irénée DU PONT ___|
| (1797 - 1869) m 1824        |
|                             |                                     ____________________________________________________
|                             |                                    |                                                    
|                             |_Gabrielle Joséphine of PELLEPORT _|
|                               (1770 - 1837) m 1794               |
|                                                                  |____________________________________________________
|                                                                                                                       
|
|--Mary Van Dyke DU PONT 
|  (1826 - 1909)
|                                                                   _Nicholas VAN DYKE Jr_______________________________
|                                                                  |                                                    
|                              _Nicholas VAN DYKE III______________|
|                             |                                    |
|                             |                                    |____________________________________________________
|                             |                                                                                         
|_Dorcas Montgomery VAN DYKE _|
  (1806 - 1838) m 1824        |
                              |                                     ____________________________________________________
                              |                                    |                                                    
                              |____________________________________|
                                                                   |
                                                                   |____________________________________________________