Family/Spouse: Muirchertach Ua Briain, King of Munster. Muirchertach (son of Toirdelbach Ua Briain, King of Munster and Derbforgaill ingen Taidg) was born about 1050 in Munster; died on 10 Mar 1119 in Lismore, County Waterford, Munster, Ireland. [Group Sheet] [Family Chart]