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Male William De Burgh 3rd Earl Of Ulster Click to view William De Burgh 3rd Earl Of Ulster in the family tree

William was born in 1312.  William's father was John De Burgh and his mother was Elizabeth De Clare.  His paternal grandparents were Richard De Burgh 2nd Earl Of Ulster and Margaret De Burgh; his maternal grandparents were Gilbert The Red De Clare 7th Earl Of Hertford/Earl Glou. and Joan Of Acre Plantagenet.  He was an only child.  He died at the age of 21 in June 1333.

Family Details of William's family with Maud Plantagenet

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