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 were traitors. On the morning of the 3 April the prince's army marched from Navarrete, and all dismounted while they were yet some distance from Henry's army. The vanguard, in which were three thousand men-at-arms, both English and Bretons, was led by Lancaster, Chandos, Calveley, and Clisson; the right division was commanded by Armagnac and other Gascon lords; the left, in which some German mercenaries marched with the Gascons, by the Jean, Captal de Buch and the Count of Foix; and the rear or main battle by the prince, with three thousand lances, and with the prince was Peter and,