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Male William Ap Adam Click to view William Ap Adam in the family tree

1   William Ap's father was John Ap Adam and his mother was Elizabeth Gourney.  His paternal grandfather was Ap Adam; his maternal grandfather was Lord John Gourney. He had three brothers named John Ap, Roger Ap and Thomas Ap.1 

1 phelps.FTW @ Tree #1353
Further sources/citations:
World Family Tree Vol. 4, Ed. 1 @ Tree #0574, 0574.ftw