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
Prince of Wales son (if and only if he is also the heir apparent) of the King or Queen Regnant of England (subsequently of Great Britain, 1707, and of the United Kingdom, 1801). That he is also the heir apparent is important. Following the death of Prince Arthur, the Prince of Wales, Henry VII invested his second son, the future Henry VIII, with the title—although only after it was clear that Arthur's wife, Catherine of Aragon, was not pregnant; when Frederick, Prince of Wales died while his father reigned, George II created Frederick's son George (the king's grandson and new heir apparent) Prince