+--Pierre Louis Bergevin-Langevin  (7 Jun 1753-25 Jul 1836)
   +--Pierre Bergevin-Langevin  (1 Nov 1785-23 Sep 1863)
   |  |  +--Francois Hebert  (1719-)
   |  +--Agathe Marie Hebert  (1758-Oct 1835)
   |     +--Marie Arsenault 
+--Sylvain Langevin  (8 Oct 1835-6 Jun 1923)
|  |  +--Albert Mercier 
|  +--Angelique Mercier  (ABT 1789-AFT 1861)
|     +--Madeleine Sauve 
Exore Langevin  (1 Nov 1876-26 Aug 1957)
|  +--Antoine Moineau 
+--Odille Moineau-Moquin  (1830/1833/1837-1883)
   +--Angelique Legros