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Male Baron William de Montagu Click to view Baron William de Montagu in the family tree View timeline for this person's branch of the family tree

William was born in 1275 in Cassington, Oxfordshire, England.  William's father was Simon de Montagu and his mother was Hawaise de Saint Amand.  His paternal grandparents were William de Montacute and Beota; his maternal grandfather was Amauri de Saint Amand and his maternal grandmother is <Unknown>.  He was an only child.  He died at the age of 17 in 1292 in Cassington, Oxfordshire, England.


Family Details of William's family with Elizabeth de Montfort

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