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Male King Niall Frossach macFergal O'Neill of Ireland Click to view King Niall Frossach macFergal O'Neill of Ireland in the family tree

Niall Frossach macFergal's father was King Fergal macMáele Dúin O'Neill of Ireland & Ailech.  His paternal grandfather was King Máel Dúin macMáel Fithrich O'Neill of northern Ui Néill.  He was an only child.  He died in 0778.


Niall Frossach macFergal's family

He had a biological son named Aed Oirdnide macNéill Frossach.

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