+-- Delefluer 
      +--Jacques Seraphine Poirier  (1819-)
   +--Maurice Joseph Poirier  (1 Feb 1868-22 Mar 1942)
   |  +--Josephine Lefarve  (1821-)
+--Rosario Seraphin Poirier  (26 Apr 1894-15 Nov 1968)
|  |        +--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 
|  +--Marie Odile Langevin  (ABT Sep 1866-8 Dec 1942)
|     |  +--Antoine Moineau 
|     +--Odille Moineau-Moquin  (1830/1833/1837-1883)
|        +--Angelique Legros 
Betty Jean Poirier 
|  +--Joe Jarvis  (1879-)
+--Estelle M Jarvis  (11 Dec 1902-25 Aug 1989)
   +--Virginia Bertha Olney  (Oct 1881-)