_Pierre Samuel DU PONT-NEMOURS _____________________+
                                                           | (1739 - 1817) m 1766                               
                            _Éleuthère Irénée DU PONT _|
                           | (1771 - 1834) m 1791          |
                           |                               |_Nicole Charlotte Marie Louise le Dée of RENCOURT _
                           |                                 (1743 - 1784) m 1766                               
 _Alexis Irénée DU PONT _|
| (1816 - 1857) m 1836     |
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|                          |_Sophie Madeline DALMAS _______|
|                            (1775 - 1828) m 1791          |
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|
|--Alexis Irénée DU PONT 
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|_Joanna Maria SMITH ______|
  (1815 - 1876) m 1836     |
                           |                                ____________________________________________________
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