Jeanne de Bretagne
Arthur II, Duke of Brittany's daughter
Born: 1296
Died: May 24, 1364 (age 68 years)
Great-grandparents: Henry III, Eleanor of Provence, John I, Duke of Brittany, and more
Children: Jean de Cassel, Seigneur de Cassel
Partner: Robert, Count of Marle (1323–)
Parents: Arthur II, Duke of Brittany