"Martha (Blaisdell), b. say 1640; m. (1) by 1661 Richard Bowden (only known child b. Boston 18 May 1661 [BVR 78]); m. (2) by an unknown date (Thomas?) Sealey; m. (3) Dover 15 January 1686/7 John Clough (DoVR 109). (The identity of Martha as a daughter of Ralph Blaisdell and the delineation of her marital career are the result of detailed research carried out by Charles Thornton Libby and published by Walter Goodwin Davis in 1956 (Nicholas Davis Anc 8-9, 55-56, 62-64, and the evidence cited there].)"