+-- Calahan 
Matthew Calahan 
|     +-- Eisenbeis 
|  +--Charles (Chuck) Joseph Eisenbeis  (1922-22 May 2007)
+--Judy Eisenbeis 
   |           +-- Delefluer 
   |        +--Jacques Seraphine Poirier  (1819-)
   |     +--Seraphine Poirier  (17 Feb 1865-28 Jul 1939)
   |     |  +--Josephine Lefarve  (1821-)
   |  +--Raymond J Poirier  (11 Oct 1900-31 Oct 1971)
   |  |  |        +--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 
   +--Mable R Poirier 
      +--Rosanna Riel  (24 Feb 1904-Apr 1983)