+--Isaac William Stevens 
Greta Nora Stevens  (25 May 1890-)
|              +--Johann Frederick Beck  (ABT 1720-ABT May 1800)
|           +--John Martin Beck  (17 Aug 1740-12 Sep 1819)
|           |  +--Anna Elizabeth Braumin  (-AFT 1810)
|        +--Solomon Beck, Sr  (1 May 1772-1 Jan 1833)
|        |  +--Maria Cathrina Gibler  (25 Dec 1742-24 Dec 1826)
|     +--John Ferguson Beck  (30 Sep 1798-13 Oct 1876)
|     |  +--Elizabeth (Betsy) Peeler  (-27 Jun 1839)
|  +--Abner Chinault Beck  (21 Apr 1821-11 Jun 1903)
|  |  +--Judith Chenault 
+--Matilda Ermine Beck  (16 Oct 1849-7 Jul 1938)
   +--Martha Rich Preston