+--William A Graven  (18 May 1781-15 Oct 1868)
+--Austin C Graven  (ABT 1804-1833)
|  +--Mary (Polly) Spencer  (25 Dec 1781-21 Jan 1851)
Thomas Graven  (15 Feb 1832-15 Jan 1879)
+--Marcia Ridgeway  (20 Nov 1807-29 Nov 1872)