*Muirchertach macErcae O'Néill King of Ireland
died 0536

father:
*Muiredach macEógain O'Néill King of Ui
died about 0480

mother:
unknown

siblings:
Feredach macMuiredach O'Néill

spouse:
unknown

children:
*Domnall macMuirchertaig King of Ireland died 0566
Forggus macMuirchertaig King of Ireland died 0566
Báetán macMuirchertaig O'Néill King of Ireland died 0572

biographical and/or anecdotal:

notes or source:
LDS
ancestry.com