"26. Sarah3 Welles (John2, Gov. Thomas1), born 28 September 1659 in Stratford, Connecticut (Barbour citing LR 1:48) [abt. 1658]; and died 23 March 1739 at age 71 [sic] according to her gravestone in the Stratford Cemetery (Hale 496). She married c. 1679 Ambrose Thompson, son of John Thompson and Mirable Griggs (Stiles' Wethersfield II:762n citing Fairfield Probate Records 35:86), … Sarah Thompson owned the covenant in the Stratford First Church on 21 April 1700 (church records slip index citing 1:11-26). …"
It appears that the Sarah Wells/Welles, daughter of John, born 28 September 1659, was the child of John and Sarah (Curtis) Wells, who removed to Hadley after the birth of their first two children.