+--Jackson J McNabb  (22 May 1902-Aug 1962)
Living McNabb 
|     +--John Lancaster Trueblood 
|  +--Walter L Trueblood  (30 Sep 1884-Mar 1963)
|  |  +--Cynthia Fields 
+--Midlred Trueblood  (14 Nov 1906-17 Jan 1998)
   |        +--John Andrew Gerking  (27 Aug 1764-1815/1817)
   |     +--John Andrew Gerking  (14 Apr 1798-18 Aug 1879)
   |     |  |  +--William Rice 
   |     |  +--Rachael Rice  (26 Feb 1774-ABT 1855)
   |  +--Robert Gerkin  (14 Sep 1842-26 Feb 1911)
   |  |  +--Mary (Polly) Phillips  (Sep 1801-5 Jan 1855)
   +--Mahulda May Gerkin  (18 Feb 1885-12 Jun 1959)
      |  +--Alfred G Talbott  (14 Mar 1814-19 Sep 1900)
      +--Mary Eliza Talbott  (7 Jul 1844-17 May 1928)
         +--Mary Jane Felknor  (1 May 1823-ABT 1867)