Kingdom of England Norman conquest of England, however, some Norman lords began to attack Wales. They conquered and ruled parts of it, acknowledging the overlordship of the Norman kings of England but with considerable local independence. Over many years these "Marcher Lords" conquered more and more of Wales, against considerable resistance led by various Welsh princes, who also often acknowledged the overlordship of the Norman kings of England. Edward I defeated Llywelyn ap Gruffudd, and so effectively conquered Wales, in 1282. He created the title Prince of Wales for his heir, the future Edward II, in 1301. Edward I's conquest was brutal and
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