William 4 Chadbourne (Humphrey 3, Humphrey 2, William 1), son of Humphrey and Sarah (Bolles) Chadbourne, born about 1683. He married Mary __. Both were baptized and owned the covenant at South Berwick, Nov. 21, 1714.
Joseph Crook Anderson II, Mary3 Nason, Wife of William4 Chadbourne of Berwick, Maine, in The American Genealogist (TAG). (Donald Lines Jacobus, et.al.) Vol 106 p 68, 1993.
William4 Chadbourne was born in Berwick probably during the mid-1680s a son of Humphrey3 Chadbourne (Humphrey2, William1) and his wife Sarah (Bolles) Chadbourne.