Title: Welsh Genealogies AD 1400-1500 Author: Peter Clement Bartrum Publication: Aberystwyth. Llyfrgell Genedlaethol Cymru / The National Library of Wales, 1983 Page: Bleddyn ap Maenyrch 34 (A1), p.254; Fleming 2, p.741
Marriage Information:
William married FERCH THOMAS, daughter of Thomas AP IEUAN GWYN of Bryscedwn and Maud FERCH GRUFFUDD. (FERCH THOMAS died on an unknown date.)