Annals of Inisfallen, Pre-Patrician Section (Author: Seán Mac Airt)
entry 257
Ireland was divided into two between Mug Nuadat, i.e. king of Munster, and Conn Cétchathach, viz. [the division running] between the two Áth Cliath. Seven kings of the Pictish peoples ruled over Ireland before Conn Cétchathach.