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

William was born in 1228.1   William's father was Gilbert von Gloucester De Clare and his mother was Isabella Marshall.  His paternal grandparents were Richard De Clare and Amicia von Gloucester; his maternal grandparents were William Marshal lV Earl von Pembroke and Isabella De Clare. He had two brothers and three sisters, named Richard von Gloucester, Gilbert, Amica, Isobel and Agnes.  He died at the age of 30 in 1258.1 

1 World Family Tree Vol. 11, Ed. 1 @ Tree #0163

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