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 with his father on 12 October 1347, took part in the jousts and other festivities of the court, and was invested by the king with the new order of the Garter (1348). The Black Prince shared in the king's expedition to Calais in the last days of 1349, came to the rescue of his father, and when the combat was over and the king and his prisoners sat down to feast, he and the other English knights served the king and his guests at the first course and then sat down to meat at another table. When the king embarked