+-- Delefluer 
      +--Jacques Seraphine Poirier  (1819-)
   +--Seraphine Poirier  (17 Feb 1865-28 Jul 1939)
   |  +--Josephine Lefarve  (1821-)
+--Hector Joseph Poirier  (19 Oct 1898-1 Mar 1943)
|  |        +--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 
Walter Richard Poirier  (17 Nov 1925-3 Jul 1981)
+--Elizabeth Wilhelmina (Betty) Kuntz  (15 Apr 1904-8 Dec 1982)