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Daughter of Donnell Mór Ó Brien, King of Munster and Urlachan MacMurrough Wife of William de Burgh, Lord of Connacht Mother of Richard Mór de Burgh, 1st Baron of Connaught Sister of Donnchad Cairbreach Ó Briain, King of Thomond Half sister of Duncola O'Ceallaig - 25