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Male King Muircertach O'Brien of Ireland Click to view King Muircertach O'Brien of Ireland in the family tree

Muircertach was born before 1082 in Munster, Ireland.  Muircertach's father was King Turlogh Mor Munster and his mother was Kealrach Mor O'Hyne.  His paternal grandparents were King Thaddeus Donald Munster of Thommond and Mo'r O'Mulloy; his maternal grandfather was Vi-Eine O'Hyne.  He was an only child.  He died in 1119 in Lismore, Ireland.


Muircertach's family with Dubhchobhleigh de Ossory

They had a daughter named Lafracoth.

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