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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 Click to view William de Burgh, 3rd Earl of Ulster in the family tree

William was born on September 17th, 1312.  William's father was John de Burgh, 2nd Earl of Ulster and his mother was Elizabeth de Clare.  His maternal grandparents were Gilbert (the Red) de Clare 6th Earl of Gloucester and Joan Plantagenet of Acre.  He was an only child.  He died  due to murdered at the age of 20 on June 6th, 1333.


Family Details of William's family with Lady Matilda of Lancaster (Plantagenet)