Principality of Wales longer claim part of the inheritance, which Welsh law had allowed them to do. From 1301, the Plantagenet (and later, Tudor) English kings gave their heir apparent, if he was the king's son or grandson, the lands and title of "Prince of Wales". The one exception was Edward II's son, Edward of Windsor, who later became Edward III. Upon the heir's accession to the throne, the lands and title merged in the Crown. The first "English" Prince of Wales was Edward I's son, Edward of Caernarfon. A late 16th-century story claimed that Edward I gave him the title following his
King of Wales only one to truly rule over all the (independent) Britons. 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. "In his first two letters to Louis, Owain described himself as 'king