They stopped the Irish, Scots and Picts from raiding England.
Bridei II of the Picts died in 642.
The picts (the painted people) were celts.
Picts are citizens of Scotland.
Taran of the Picts died in 696.
Gartnait III of the Picts died in 637.
Bridei III of the Picts died in 693.
Alpín II of the Picts died in 780.
Talorgan II of the Picts died in 782.
Bridei IV of the Picts died in 706.
Bridei VI of the Picts died in 842.
Gartnait II of the Picts died in 599.