+--Isabele Leboeuf 
Francois Leboeuf  (6 Apr 1813-)
|  +--Pierre Louis Bergevin-Langevin  (7 Jun 1753-25 Jul 1836)
+--Angelique Bergevin-Langevin 
   |  +--Francois Hebert  (1719-)
   +--Agathe Marie Hebert  (1758-Oct 1835)
      +--Marie Arsenault