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Male William of Brittany Click to view William of Brittany in the family tree

William of was born about 1040.  William of's father was Count of Penthievre & Brittany Eudes and his mother was Agnes de Cornouaille.  His paternal grandparents were Duke of Brittany Geoffrey and Hawise of Normandy; his maternal grandparents were Alain Canhiart and Judith of Nantes. He had eight brothers named Robert of, Richard of, Geoffrey I, Count of Brittany, Alan I, Alan II, Bardolf of and Lord of Richmond.  He was the oldest of the nine children. He had a half-brother named Bardolf.

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