The Picts and Britons now recovered their independence; for Aldfrith, apparently an illegitimate son of Oswio, who succeeded, made no attempt to reconquer them.
Finally in 756, having now allied himself with Ongus king of the Picts, he successfully attacked Dumbarton (Alcluith), the chief town of the Britons of Strathclyde.
The Parthians had at the best been beaten, not subdued; the Britons threatened revolt; there were signs that various tribes beyond the Alps intended to break into Italy.
They have been called the Britons of the south, and their courage in defending their country and their intelligence amply justify the compliment.
636), he defeated the advancing Britons at Bampton in Oxfordshire in 614, and Cwichelm sought to arrest the growing power of the Northumbrian king Eadwine by procuring his assassination; the attempt, however, failed, and in 626 the West Saxons were defeated in battle and forced to own Eadwine's supremacy.