Dukedoms of the British Isles by reign Dukedoms of the British Isles by reign This page lists extant dukedoms in the Peerages of the British Isles, listed by the monarch who created them—see also List of dukedoms in the peerages of Britain and Ireland. King Edward III first created the title Duke of Cornwall, the first dukedom in the British Isles, for his son and heir Edward, called the Black Prince. Since 1421 the title has automatically been held by the eldest son of and heir apparent to the sovereign. Since his mother's taking the throne in 1952 the title has been held by Prince Charles, who
Edward the Black Prince steel". Richard Barber suggests that the name's origins may have lain in pageantry, in that a tradition may have grown up in the 15th century of representing the prince in black armour. He points out that several chronicles refer to him as Edward the IV (the title he would have taken as King had he outlived his father): this name would obviously have become confusing when the actual Edward IV succeeded in 1461, and this may have been the period when an alternative had to be found. Edward's reputation for brutality in France is also well documented, and it is