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 The next year (1356) on another chevauchée he ravaged Auvergne, Limousin, and Berry but failed to take Bourges. He offered terms of peace to King John II of France, who had outflanked him near Poitiers, but refused to surrender himself as the price of their acceptance. This led to the Battle of Poitiers where his army routed the French and took King John prisoner. The year after Poitiers, the Black Prince returned to England. In 1360 he negotiated the treaty of Bretigny. He was created Prince of Aquitaine and Gascony in 1362, but his suzerainty was not recognised by the