Claim: 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.
Evidence: Connad appears to have been joint king with Eochaid Buide in the 620s. He is named as king of Dál Riata in 627 when he won a victory over Fiachnae mac Demmáin, king of the Ulaid at Ard Corann. Ulaid (Old Irish, pronounced [ˈuləðʲ) , or Ulaidh (Modern Irish, pronounced [ˈu.liː), was a Gaelic over-kingdom in north-eastern Ireland during the Middle Ages made up of a confederation of dynastic groups.