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
Investiture of the Prince of Wales The tradition of investing the heir apparent of the English, and subsequently the British, monarch with the title of "Prince of Wales" began in 1301, when King Edward I of England, having completed the conquest of Wales, gave the title to his heir apparent, Prince Edward (later King Edward II of England). Investiture is not necessary to be created Prince of Wales. Peers were also invested, but investitures for peers ceased in 1621, at a time when peerages were being created so frequently that the investiture ceremonies became cumbersome. Most investitures for Princes of Wales were held in front of