In the 730s, Óengus fought against Dál Riata whose traditional overlords and protectors in Ireland, the Cenél Conaill, were much weakened at this time.
Óengus fought against Dál Riata. This was in the 730s. Dál Riata's traditional overlords were much weakened at this time. Protectors in Ireland were much weakened at this time. The Cenél Conaill was Ireland.