+--Per Stride 
+--Per Martin Stride 
|  +--Helen Larsson 
Lyndel Vivian Stride 
|     +--George Washington Thomas 
|  +--Edwin Gerald Thomas  (9 Sep 1899-20 Nov 1985)
|  |  +--Ellen  
+--Betty Marie Thomas 
   |     +--Richard Robison 
   |  +--Luther Monterey Robison  (4 Apr 1872-Mar 1953)
   |  |  +--Martha Swain 
   +--Florence Vivian Robison  (22 Oct 1903-16 Nov 1983)
      |        +--John Andrew Gerking  (27 Aug 1764-1815/1817)
      |     +--Jonathan Rice Gerking  (17 Dec 1812-12 Jul 1882)
      |     |  |  +--William Rice 
      |     |  +--Rachael Rice  (26 Feb 1774-ABT 1855)
      |  +--Samuel Isaiah Gerking  (24 Nov 1844-22 Apr 1929)
      |  |  |  +--Solomon Myers  (22 Jan 1786-5 May 1861)
      |  |  +--Nancy Ann Myers  (11 Apr 1818-9 Jun 1910)
      |  |     |  +--David Stewart 
      |  |     +--Mary (Polly) Stewart  (8 Nov 1786-12 Jun 1865)
      |  |        +--Henrietta George 
      +--Emily Gertrude Gerking  (27 Dec 1875-14 Jan 1908)
         |  +--James Smith  (4 Aug 1828-17 Nov 1914)
         +--Mary Alice Smith  (12 Feb 1851/1857-22 Nov 1877)
            +--Rebecca Jane Mathew  (2 Nov 1835-5 Mar 1875)