+--Delman Frazer Duncan 
+--Richard Delman Duncan 
|  +--Flora Maxine Wood 
Mary Ellen Duncan 
|        +--William Cox  (2 Jan 1822-29 Sep 1895)
|     +--Oliver Jefferson Cox  (31 Oct 1858-1 Jun 1938)
|     |  +--Casander Jane Bounds  (30 Jan 1825-22 Mar 1874)
|  +--Harold James Cox  (12 Dec 1902-30 Oct 1982)
|  |  |        +--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)
|  |  |  +--James Gerking  (27 Feb 1840-ABT Apr 1900)
|  |  |  |  |  +--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 
|  |  +--Emma Jane Gerking  (25 Dec 1863-15 Mar 1943)
|  |     |  +--Andrew Scott  (-1857)
|  |     +--Margaret Jane Scott  (2 Jun 1844-3 Jan 1864)
|  |        |     +--Isaac Waggoner 
|  |        |  +--Amos Waggoner  (-1854)
|  |        |  |  +--Emsey Holyfield 
|  |        +--Martha Jay Waggoner  (8 Jan 1823-28 Mar 1915)
|  |           +--Narcissa W Jay 
+--Donna Lee Cox 
   |  +--Christian Mathison 
   +--Harriet Margaret Mathison  (19 May 1910-11 Aug 2005)
      +--Hilda Anderson