The Germanna Record, No. 13 - The Blankenbaker, Weaver, and Wilhoit Families, The Memorial Foundation of the Germanna Colonies, Inc., Publishers, 2006
Wilhite/Wilhoit & Allied Descendants of Johann Michael and Anna Maria (Hengsteler) Wilheit 1671-1994 Compiled by Mary F. Mickey
"Virginia, Marriages, 1785-1940," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:XRHJ-R9X : accessed 15 October 2015), William Wilhoit and Anna Clore, 28 Oct 1787; citing Culpeper, Virginia, reference P 92; FHL microfilm 30,927.
National Archives ID 654491 - Carded Records Showing Military Service of Soldiers Who Served in Volunteer Units During the Post-Revolutionary War Period, compiled 1899 - 1927, documenting the period 1784 - 1811 
It may be possible to confirm family relationships with William by comparing test results with other
carriers of his Y-chromosome or his mother's mitochondrial DNA.
Y-chromosome DNA test-takers in his direct paternal line on WikiTree:
William is 19 degrees from Kevin Bacon, 15 degrees from Joseph Broussard, 25 degrees from Helmut Jungschaffer and 16 degrees from Queen Elizabeth II Windsor on our single family tree. Login to find your connection.