+--Peter Konstantine Athanas 
+--Jack Leland Athanas 
|  +--Minnie Maude Colson 
Philip Gregory Athanas 
|     +--Thomas Benton Leabo 
|  +--Miles Cleo Leabo  (5 Jul 1893-18 Jul 1973)
|  |  +--Arthela Ellen Darnielle 
+--Zona Arlou Leabo  (13 Jun 1922-2 Jun 2001)
   |        +--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 
   +--Ethel Joy Gerking  (18 Nov 1896-19 Aug 1971)
      |  +--James Smith  (4 Aug 1828-17 Nov 1914)
      +--Martha Ann Smith  (8 Apr 1866-25 May 1937)
         +--Rebecca Jane Mathew  (2 Nov 1835-5 Mar 1875)