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Wiki information Umallia:
Henry Butler, Lord of Umallia, founder of Burrishoole, died 1272.
Donnell Irrais Ó Conchobair, Gaelic-Irish lord, fl. 1272-74. Donell was a member of the Clan Muircheartaigh Uí Conchobhair. His father was Manus mac Muircheartaigh Muimhneach. In 1273, following the murder of Henry Butler, Lord of Umallia, he was...