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

William De was born about 1248 in Annandale, Dumfrieshire, Scotland.  William De's father was Robert De+ Brus and his mother was Isabel De+ Clare.  His paternal grandparents were Robert De+ Brus and Isabella De+ Huntingdon; his maternal grandparents were Gilbert Fitzrichard De+ Clare and Isabel+ Marshall. He had three brothers and four sisters, named Robert De+, Bernard De, John De, Elizabeth De, Isabella De, Alosia De and Christiana De+.  He is the fourth oldest of the eight children. He had two half-brothers named Richard De and William De+.


William De's first family with Elizabeth De Sully

‌William De and Elizabeth De were married in a religious ceremony in 1273.


William De's second family with Constance De Morelyn



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