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Female Blathmin O'Brien of Munster Click to view Blathmin O'Brien of Munster in the family tree

Blathmin O'Brien of was born in Munster, Ireland.  Blathmin O'Brien of's father was Muirchertach II O'Brien of Munster.  Her paternal grandfather was Toirrdelbach O'Brien of Munster. She has a sister named Lafracoth O'Brien of.


Blathmin O'Brien of's family with Sigurd I Jorsalfar Magnusson of Norway

‌Blathmin O'Brien of and Sigurd I Jorsalfar Magnusson of were married in a religious ceremony in 1100.

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