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 used in the insignia; gold rods were formally used in the investitures of dukes, but survive now in the investitures of Princes of Wales only. Also part of the insignia are a ring, a sword and a robe. Since 1301 the title Earl of Chester has generally been granted to heirs apparent to the English throne, and from the late 14th century it has been given only in conjunction with that of Prince of Wales. Both titles must be created for each individual and are not automatically acquired. The Earldom of Chester was one of the most powerful earldoms in