sentences:  For by this time, if not earlier, Wales was the only part of Britain remaining under Brittonic rule.According to Dr Sean Davies, “in these straitened circumstances, and with outside observers ridiculing the status of Welsh kings, ambitious native nobles adopted the novel title of prince (W. tywysog, L. princeps) in order to set them apart from their fellow ‘kings’.However, the title King of Wales was later used by at least one other Welsh ruler, Owain Gwynedd.