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
Prince of Wales nephew Llywelyn ap Gruffudd succeeded to the throne of Gwynedd, and used the style as early as 1258. In 1267, with the signing of the Treaty of Montgomery, he was recognised by both King Henry III of England and the representative of the Papacy as Prince of Wales. In 1282, Llywelyn was killed during Edward I of England's invasion of Wales and although his brother Dafydd ap Gruffudd succeeded to the Welsh princeship, issuing documents as prince, his principality was not recognised by the English Crown. Three Welshmen, however, claimed the title of Prince of Wales after 1283. The first