Can anyone verify this information? If not, where can I go for information?

William Becknell b. abt 1655 Combe Florey
m. Sarah abt 1678 b. abt 1660

Children: William SR b April 15 1679 Comb Florey
George b. March 1685/1686 Comb Florey
Susanna b. April 4 1681
Sarah b. June 25 1685
Katherine b. August 9 1695

William SR m. Ann Challis August 5 1704 Comb Florey
b. abt 1680 Comb Florey

Children: William Bicknell b. March 7 1705/1706 Comb Florey d. May 7 1781 Amherst VA m. Rosanna Hannah Cash b. abt 1716 VA daughter of Robert Howard Cash and Ruth Eppington or Ruth Walker