*Fergal O'Néill King of Ireland & Ailech
died 11 December 0722

father:
*Máel Dúin macMáel Fithrich O'Néill
died 0681

mother:
unknown

siblings:
unknown

spouse:
unknown

children:
*Niall Frossach macFergal King of Ireland died 0778
Aed Allán macFergal O'Néill King of Ireland died 0743

biographical and/or anecdotal:

notes or source:
LDS
ancestry.com