+--John Andrew Gerking  (27 Aug 1764-1815/1817)
         +--David Peter Gerking  (25 Feb 1799/1800-7 Apr 1860)
         |  |  +--William Rice 
         |  +--Rachael Rice  (26 Feb 1774-ABT 1855)
      +--David Samuel Gerking  (14 Sep 1851-13 feb or 16 Mar 1922)
      |  |  +--John Maple  (1768-ABT Aug 1820)
      |  +--Sarah Maple  (1 Mar 1810-21 Jul 1893)
      |     +--Sarah Haws-Hawes 
   +--Albert James Gerking  (17 May 1880-26 Feb 1949)
   |  +--Marcia Eleanor Blair  (30 Jun 1858-28 Feb 1914)
+--James Albert B Gerking  (19 Jul 1919-1 Jan 1988)
|  +--Lola Vale Deadmond  (26 Oct 1893-7 Mar 1982)
David Earl Gerking 
|  +--James Drumm 
+--Madeline Yvonne Drumm  (30 Mar 1923-16 Jan 1987)
   +--Blanch Smith