+--John Andrew Gerking  (27 Aug 1764-1815/1817)
   +--Jonathan Rice Gerking  (17 Dec 1812-12 Jul 1882)
   |  |  +--William Rice 
   |  +--Rachael Rice  (26 Feb 1774-ABT 1855)
+--Nathan Joseph Gerking  (21 May 1849-27 Sep 1889)
|  |  +--Solomon Myers  (22 Jan 1786-5 May 1861)
|  +--Nancy Ann Myers  (11 Apr 1818-9 Jun 1910)
|     |  +--David Stewart 
|     +--Mary (Polly) Stewart  (8 Nov 1786-12 Jun 1865)
|        +--Henrietta George 
Roy Albert Allen  (13 Oct 1892-16 Feb 1982)
|  +-- Allen 
+--Lena Magdelena Allen  (1 Mar 1857-13 Dec 1947)