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Male William III De Montague Click to view William III De Montague in the family tree

William III was born on June 25th, 1328 in Salisbury, Wiltshire, England.  William III's father was William De Montague and his mother was Katherine De Grandison.  His paternal grandparents were William De Montague and Elizabeth De Montfort; his maternal grandparents were Sir William De Grandison and Sibyle De Tregoz. He had two brothers and four sisters, named John, Robert, Elizabeth, Anne, Sibyl and Phillipa.  He was the third oldest of the seven children.  He died at the age of 68 on June 3rd, 1397.


William III's first family with Joane Plantagenet

‌William III and Joane were married in a religious ceremony about 1346.


William III's second family with Elizabeth De Mohun

They had a son named Sir William.

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