+--D S Doyle 
+--Dick French Doyle  (7 Dec 1895-21 Apr 1980)
|  +--Carrie E Smith 
Delmar Zane Doyle  (27 Sep 1922-8 Mar 1992)
|        +--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)
|  +--Samuel Isaiah Gerking  (24 Nov 1844-22 Apr 1929)
|  |  |  +--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 
+--Lela Lynn Gerking  (25 Feb 1895-5 Mar 1980)
   |  +--James Smith  (4 Aug 1828-17 Nov 1914)
   +--Martha Ann Smith  (8 Apr 1866-25 May 1937)
      +--Rebecca Jane Mathew  (2 Nov 1835-5 Mar 1875)