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Male William PIERREPONT Click to view William PIERREPONT in the family tree

William was born about 1085.  William's father was Robert PIERREPONT and his mother was Ermengarde of MONAIGU.  His paternal grandfather was Ingelram of PIERREPONT; his maternal grandfather was Guillaume (Roger) of MONTAIGU.  He was an only child.


William's family

He had a biological son named Hugues.