+--Earl Gilbert, Dr 
+--Allan Earl Gilbert, Dr  (13 Jul 1927-24 Feb 2002)
David Allan Gilbert 
|     +--William R Whiteman 
|  +--Raymond Eugene Whiteman  (1 Apr 1900-7 Nov 1940)
|  |  +-- Peeler 
+--Mary Colleen Whiteman 
   |     +--Edward Berthold Dreske 
   |  +--Edward Henry Dreske  (20 Jan 1876-8 Feb 1924)
   |  |  +--Ida Honora Daniels 
   +--Doris Honora Dreske  (12 Dec 1905-23 Dec 2000)
      |        +--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)
      |  +--Benjamin Franklin Gerking  (2 Sep 1841-30 May 1923)
      |  |  |  +--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 
      +--Nana Maude Gerking  (5 Sep 1878-4 Dec 1968)
         |     +--Meshack Willis 
         |  +--John Austin Willis  (5 Nov 1814-10 Apr 1862)
         |  |  +--Nancy Pritchett 
         +--Artimisia (Mittie) Willis  (17 Mar 1847-17 Mar 1927)
            |  +--Mannen Duren 
            +--Martha O Duren  (19 Dec 1817-12 Sep 1892)
               +--Margaret Gibb