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Male Brian O'NEILL Click to view Brian O'NEILL in the family tree

Brian was born about 1291 in Ireland.  Brian's father was Aedh Buidhe O'NEILL and his mother was N.N. MAC COSTELLE.  His paternal grandfather was Domgall Og  O'NEILL.  He was an only child.  He died in Ireland.


Brian's family

He had a biological son named Henry.