+--Elmore Viola 
Rolinda Christine Viola 
|  +--Raymond C Devose  (27 May 1894-Dec 1978)
+--Dorothy Ruth Devose 
   |     +--John Calvin York  (Dec 1844-)
   |  +--John Calvin York  (Apr 1876-)
   |  |  +--Martha   (ABT 1843-)
   +--Alberta Florence (Jessie) York  (4 Nov 1899-15 Jul 1998)
      |        +--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 
      +--Ada Florence Gerking  (26 Jan 1877/1876-)
         +--Marcia Eleanor Blair  (30 Jun 1858-28 Feb 1914)