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 Tarnovo of a Prince of Tarnovo is also titled Princess of Tarnovo (, "Knyagina Tarnovska"). The last Prince of Tarnovo was Prince Kardam, the eldest son of Tsar Simeon II. People who to have held the title Prince of Tarnovo: Since the monarchy's abolition, these are the people who have held the title Prince of Tarnovo in pretense: Prince of Tarnovo Prince of Tarnovo (, "Knyaz Tarnovski") is the title held by the first-born son of the Bulgarian monarch. This title is held only by the heir to the throne. Tarnovo (Veliko Tarnovo) was an old Bulgarian capital and the strongest