Arthur II, of the House of Dreux, was Duke of Brittany from 1305 to his death. He was the first son of John II and Beatrice, daughter of Henry III of England and Eleanor of Provence.
After he inherited the ducal throne, his brother John became... Wikipedia
Born: July 25, 1261
Died: August 27, 1312 (age 51 years), Marzan, France
Grandchildren: John IV, Duke of Brittany, Joan, Duchess of Brittany, Joan of Brittany, Baroness of Drayton, and more
Parents: John II, Duke of Brittany and Beatrice of England
Children: John III, Duke of Brittany, Guy de Penthièvre, John of Montfort, and more
Spouse: Yolande of Dreux, Queen of Scotland (m. 1292–1312)