FaG says 9 (NINE children):
William married Nancy Duncan, probably a Cherokee, December 22, 1785, in Indian Territory of North Carolina.
Before their marriage they had four sons: John Wesley, Cader, Burrell Davis, and William IV; and two daughters: Polly and Martha D. 'Patsy'. A fifth son, Isaac J. was born after the nuptuals.
John Wesley,
Cader,
Burrell Davis,
William IV
Polly
Martha D. 'Patsy'
Isaac J
On October 6, 1809 he married his second wife, Elizabeth Ann Coy in Garrard County.
They had two daughters:
Rachael and
Lousanna.