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Male William De Montagu (Montacute) Click to view William De Montagu (Montacute) in the family tree

William was born in Cassington, Oxfordshire, England.  William's father was William De Montagu (Montacute) and his mother was Elizabeth De Montfort.  His paternal grandparents were Simon De Montagu and Hawaise De Saint Amand; his maternal grandparents were Peter De Montfort and Matilda De La Warr.  He was an only child.  He died in Windsor Castle, Berkshire, England.  He was buried in Bisham, Berkshire, England.


William's family with Katherine De Grandison

‌William and Katherine were married in a religious ceremony in 1327 in Cassington, Oxfordshire, England.  They had a daughter named Philippe.

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