I have Rachel, born 1762, as the daughter of William Sr. she married William Morrison. As for William Jr. b. 1754, died 1820,married in 1782 to Polly (Molly) Dalton b. 1768 d. 1820. I show their children were: Vincent, William, Caleb, Ephraim, James Taylor, John Reuben and Nancy. Don't know if this helps you any, it does get confusing with given names repeating through the generations.