Arthur I, Duke of Brittany (1187-1203), nephew and possible heir of Richard I of England
He could not claim the throne, and before his death, Richard said that John was to inherit the throne even though their nephew, Arthur I, Duke of Brittany, had a good claim.
Brittany | Duke University | Arthur Conan Doyle | Duke Ellington | Duke | King Arthur | Duke of Wellington | Arthur Miller | Arthur C. Clarke | Arthur | Prince William, Duke of Cambridge | Arthur Ransome | Duke of York | Port Arthur | Chester A. Arthur | Arthur Balfour | Arthur Sullivan | Duke of Norfolk | Arthur Rubinstein | Duke of Edinburgh | Duke of Burgundy | Arthur Andersen | Sir Arthur Conan Doyle | Prince Arthur, Duke of Connaught and Strathearn | George Villiers, 1st Duke of Buckingham | Arthur Wellesley | Prince Andrew, Duke of York | Duke of Northumberland | Arthur Godfrey | Arthur Fiedler |
Francis I (in Breton Fransez I, in French François I) (Vannes/Gwened, 14 May 1414 – 18 July 1450, Château de l'Hermine/Kastell an Erminig), was Duke of Brittany, Count of Montfort and titular Earl of Richmond, from 1442 to his death.
Anne of Brittany was the last independent ruler of Brittany, inheriting the Duchy as a girl of twelve in 1488, and securing her inheritance was a crucial matter for both the House of Habsburg and the French Crown.
He sold all he possessed to the English, and his fief of Fougères to the Duke of Brittany.
Peter II (in Breton Pêr II, in French Pierre II) (1418–1457, Nantes/ Naoned), was Duke of Brittany, Count of Montfort and titular earl of Richmond, from 1450 to his death.