William Mo'r De Burgh

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William Mo'r De Burgh

Death: Died in Ireland
Immediate Family:

Son of Richard Mór de Burgh, 1st Baron of Connaught and Hodierna de Burgh
Husband of Frances Delamond, of Norfolk
Father of William Liath Oughter De Burgh, Sir
Half brother of Margery de Burgh; Alice Burgh; Richard De Burgh; daughter of Richard de Burgh; Matilda Prendergast (de Burgh) and 1 other

Managed by: Private User
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About William Mo'r De Burgh


William Og was ancestor to the Earl's of Clanricarde, the Mac William Iochtar, The Bourkes of Mayo, and after the extinction of the de Burgh creation of the Earldom of Ulster, the de Burgh line.

Sir William Og de Burgh

had one son:

Sir William the grey/ Liath de Burgh, d.1324

Sir William the grey, in turn, had three sons:-

--Sir Edmond Albanach de Burgh, 1st Mac William Iochtar/ Lord of the Lower Mac William, d.1375.

--John de Burgh (1350-1398) Theologian, Chancellor of the University of Cambridge

--Sir Ulick de Burgh, Lord of Clanricarde (d.1352) 2nd Mac William Iochtar. Ancestor of the Earls of Clanricarde.