+--Albert Bruce Crawford 
   +--Lee Bruce Crawford  (12 Jan 1906-11 Jan 1989)
   |  +--Anna Frazier 
+--Jimmy George Crawford  (22 Apr 1930-24 Apr 1994)
|  |           +--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)
|  |     +--Jonathan Napoleon Bonaparte Gerking  (28 Jan 1846-8 May 1928)
|  |     |  |  +--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 
|  |  +--George Rice Gerking  (22 Feb 1876-20 Jun 1951)
|  |  |  |     +--Gideon Pottorff 
|  |  |  |  +--George Rutter Pottorff  (27 Jun 1825-8 Oct 1914)
|  |  |  |  |  +--Susannah Allhands 
|  |  |  +--Lucy Pottorff  (9 Oct 1848-3 Mar 1946)
|  |  |     |  +-- Russell 
|  |  |     +--Hannah Russell  (19 Sep 1828-10 Jun 1919)
|  |  |        +--Elizabeth  
|  +--Blanche Clara Gerking  (1904-)
|     |  +--Roscoe A Bostwick 
|     +--Florence Effie Bostwick  (15 May 1879-31 May 1968)
|        +--Caroline Reeder 
George Ronald Crawford 
|  +--James Ray McIntyre 
+--Nadine Gyl McIntyre  (9 Mar 1934-27 Sep 1996)
   +--Florence Caroline Sandersfeld