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

Muircheartach's father was Tadhg O'NEILL.  His paternal grandfather was Conchobar O'NEILL.  He was an only child.  Muircheartach is no longer alive.


Muircheartach's family

He had a biological son named Aedh Macaemh.