William Donn de Burgh, 3rd Earl of Ulster

William Donn de Burgh,
3rd Earl of Ulster
Uilleag Donn de Búrca
Arms of William Donn de Burgh:
Or, a cross gules.
Lieutenant of Ireland
In office
3 March 1331 – 5 November 1331
Preceded byJohn Darcy
Succeeded byAnthony de Lucy
Personal details
Born(1312-09-13)13 September 1312
Died6 June 1333(1333-06-06) (aged 20)
SpouseMaud of Lancaster
ChildrenElizabeth de Burgh, 4th Countess of Ulster
Parent(s)John de Burgh
Elizabeth de Clare
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William de Burgh, 3rd Earl of Ulster and 4th Baron of Connaught (English: /dəˈbɜːr/ də-BUR; 17 September 1312 – 6 June 1333) was an Irish noble who was Lieutenant of Ireland (1331) and whose murder, aged 20, led to the Burke Civil War.