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 Great is not known to have used the title "Prince of Wales" as such, although his use, from around 1230, of the style "Prince of Aberffraw, Lord of Snowdon" was tantamount to a proclamation of authority over most of Wales, and he did use the title "Prince of North Wales" as did his predecessor Dafydd ab Owain Gwynedd. In 1240, the title was theoretically inherited by his son Dafydd ap Llywelyn, though he is not known to have used it. Instead he styled himself as "Prince of Wales" around 1244, the first Welsh prince to do so. In 1246, his