He had a relationship with Feldelm Foltchain ui Briuin.
Child(ren):
Domnall Ilchegach Deceitful, High King of Ireland Mac Muirchertaig<br>Gender: Male<br>Birth: Ailech, Ireland<br>Death: 566 - Armagh, Ireland<br>Father: Muirchertach mac Earcae Mac Muiredaig (born Cenel n Eogain High King of Ireland)<br>Mother: Duinseach ingen Duach (born Unknown)<br>Wife: Feldelm Foltchain ui Briuin<br>Children: Eochaid Find King of Ailech, High King of Ireland mac DomnaillÁed Uaridnach Áed mac Domnaill (born Cenel n Eogain High King of Ireland)Colcu mac Domnaill<br>Sibling: Baetán Bríge Mac Muiredaig Mac Erca
www.wikitree.com