_Lammot DU PONT ______________+
                                                         | (1831 - 1884)                
                          _Henry Belin DU PONT __________|
                         | (1873 - 1902)                 |
                         |                               |_Mary A BELIN ________________+
                         |                                 (1839 - 1913)                
 _Henry Belin DU PONT JR_|
| (1898 - 1970)          |
|                        |                                _Edward Green BRADFORD Jr_____
|                        |                               | (1848 - 1928)                
|                        |_Éleuthèra Du Pont BRADFORD _|
|                          (1873 - 1953)                 |
|                                                        |_Éleuthèra Paulina DU PONT _+
|                                                          (1848 - 1906)                
|
|--Margaret Lewis DU PONT 
|  (1930 - 2009)
|                                                         ______________________________
|                                                        |                              
|                         _______________________________|
|                        |                               |
|                        |                               |______________________________
|                        |                                                              
|_Margaret Wilson LEWIS _|
  (1900 - 1985)          |
                         |                                ______________________________
                         |                               |                              
                         |_______________________________|
                                                         |
                                                         |______________________________