This link has notes about WILLIAM3 DENISON, son of JOHN2 DENYSON.
The site has four generations — GEORGE4 Sr, WILLIAM3, JOHN2, and BISHOP1.
Just click on Index of Individuals at the top, scroll down to the surname DENISON or DENYSON, and click on the name.
I am gathering the information on the mothers. John’s wife, AGNES WILLIE goes back three generations to ROBERT WYLLEY born ABT 1453 in Thorley, Hertfordshire, England.
William’s wife, MARGARET CHANDLER goes back four generations to THOMAS CHANDLER I born 1468 in Bishops Stortford, Hertfordshire, England.