_Alexis Irénée DU PONT __+
                                                          | (1816 - 1857) m 1836      
                              _Eugene Irénée DU PONT ___|
                             | (1840 - 1902)              |
                             |                            |_Joanna Maria SMITH _______
                             |                              (1815 - 1876) m 1836      
 _Eugene Irénée DU PONT Jr_|
| (1873 - 1954)              |
|                            |                             _Charles Irénée DU PONT _+
|                            |                            | (1797 - 1869)             
|                            |_Amélia Elizabeth DU PONT _|
|                              (1842 - 1917)              |
|                                                         |_Anne RIDGELY _____________+
|                                                           (1815 - 1898)             
|
|--Aimee DU PONT 
|  (1920 - 1997)
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|                            |                                                        
|_Ethel PYLE ________________|
                             |
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                             |                            |                           
                             |____________________________|
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