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
Prince of Wales York. Prior to his father inheriting the English throne in 1603, the future Charles I was created Duke of Albany and Earl of Ross in Scotland. Both Prince Frederick (eldest son of George II) and his son Prince George (later George III) were Duke of Edinburgh. The title Prince of Wales is given only to the heir apparent—somebody who cannot be displaced in the succession to the throne by any future birth. The succession had followed male-preference primogeniture, which meant that the heir apparent was the eldest son of the reigning monarch or, if he was deceased, "his" eldest son