He ruled as king of the Cenél Loairn from around 698 until his abdication in 723, but it may be that he was undisputed ruler of Dál Riata only in the final years of his reign.
Gobernou como rei dos Cenél Loairn entre o ano 698 até a súa abdicación en 723, pero só foi gobernante indiscutible de Dalriada durante os anos finais da súa vida.