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Male William de Burgh , 4th Earl of Ulster Click to view William de Burgh , 4th Earl of Ulster in the family tree

William de was born on September 13th, 1312 in Ulster, Ireland.  William de's father was John de Burgh and his mother was Elizabeth de Clare.  His maternal grandparents were Gilbert de Clare , Earl Gloucester & Hertford and Joan "of Acre" Plantagenet , Princess of England. He had three half-sisters named Elizabeth, Eleanor and Isabel de.  He died at the age of 20 on June 6th, 1333 in Murdered at Le Ford, Belfast, Antrim, Ulster, Ireland.

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