I found information on Wm. Kinchen I bn. 1672 died in 1734 not on the date of his will being probated July 28, 1735.
Wm. Ist married 1695 Va. to Elizabeth Cherry Joyner had 3 children with her Sarah, Mary and Matthew, then secondly married Mary Elizabeth Ruffin June 1, 1708 Va. either in Surry or Isle of Wight Counties, she was bn. 1685 in Richneck, Surry Co., Va..
Wm. 1st and Mary Eliz. Ruffin had 4 children: Eliz.bn. ca 1709 , Wm. 2nd bn. ca 1711, Martha bn. 1713-1714, and Patience bn. 1715.

Now, Wm. 2nd bn. ca 1711 Isle of Wight Co., Va. died Nov. 6,1758 Edgecombe Co., N. C. married Sarah Elizabeth DAWSON from North Carolina together they had 6 kids: Mary DAWSON, Temperance, Wm. 3rd, Elizabeth, John DAWSON and Martha

Our Wm. 3rd married Sarah HOUSE bn. 1741 Edgecombe Co., N. C. had 2 kids: Matthew V. bn. 1756-61 and Mourning bn. 1763.

Can be found in Seventeenth Century Isle of Wight by John Bennett Boddie pg. 231

Thanks,
Shelia Lambert Ballard
shelialballard@yahoo.com