+--John Andrew Gerking  (27 Aug 1764-1815/1817)
         +--James Gerkin  (26 Apr 1802-1867)
         |  |  +--William Rice 
         |  +--Rachael Rice  (26 Feb 1774-ABT 1855)
      +--Gideon Gerkin  (17 Jan 1835-26 Oct 1909)
      |  +--Anna Jane Coulter  (Aug 1810-BEF 1840)
   +--James S Gerkin  (16 Mar 1866-13 Jul 1950)
   |  |  +--Marine Davis 
   |  +--Harriett Davis  (26 May 1838-1920)
   |     +--Sarah  
+--Roley Herschel Gerkin  (26 Sep 1890-16 Nov 1976)
|  |  +--Daniel Simmons 
|  +--Elma Rachael Simmons  (17 Apr 1869-19 Jul 1940)
|     +--Lavinia Albaugh 
Robert Max Gerkin 
+--Mattie (Peggy) Marley  (15 May 1904-24 Jul 2001)