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Male William De Clare Click to view William De Clare in the family tree

William was born in 1228.  William's father was Gilbert De Clare Of Hertford V Earl and his mother was Isabel Marshall.  His paternal grandparents were Richard De Clare Of Hertford IV Earl and Amicia Fitz Robert Of Gloucester; his maternal grandparents were William Marshal Of Pembroke I Earl and Isabel De Clare. He had two brothers and two sisters, named William, Richard De Clare, Amicia and Isabel. He has a half-brother named Richard De Cornwall.


William's family

He has a biological daughter named Isabel or Elizabeth.

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