Connad Cerr, who appeares to have been joint king with Eochaid Buide in the 620s, is named as king of Dál Riata in 627 when he won a victory over Fiachnae mac Demmáin, king of the Ulaid, a Gaelic over-kingdom in north-eastern Ireland during the Middle Ages made up of a confederation of dynastic groups, at Ard Corann.
Connad Cerr, who appeares to have been joint king with Eochaid Buide in the 620s, is named as king of Dál Riata in 627 when he won a victory over Fiachnae mac Demmáin, king of the Ulaid, a Gaelic over-kingdom in north-eastern Ireland during the Middle Ages made up of a confederation of dynastic groups, at Ard Corann.