Conquest of Wales by Edward I of England lands as the lordship of Powys and became known as Owen de la Pole (or "Poole"). Lands retained under direct royal control were organised under the Statute of Rhuddlan of 1284, which declared that they were "annexed and united" to the English crown, although they did not become part of the Kingdom of England. They were the King's personal fief and in 1301, they were bestowed on Edward's son, Edward of Caernarfon (the future Edward II), with the title "Prince of Wales" and thereafter the lands and title became the customary endowment of the heir to the throne. The Statute
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