+-- Tanner 
Helen Tanner  (2 Feb 1917-1961)
|           +--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)
|  +--Gideon Wilder Gerkin  (14 May 1863-)
|  |  |  +--Marine Davis 
|  |  +--Harriett Davis  (26 May 1838-1920)
|  |     +--Sarah  
+--Josephine M Gerkin  (9 Mar 1890-)
   +--Mary Jane Mathewson  (ABT Apr 1862-)