Jean IV , duc de Bretagne
d.16 Sep 1345 Hennebont, Morbihan, Bretagne, France
Facts and Events
John IV of Montfort (in Breton Yann Moñforzh, in French Jean de Montfort) (1295 – 16 September 1345, Château d'Hennebont), was Duke of Brittany and 6th Earl of Richmond from 1341 to his death. He was the son of Arthur II, Duke of Brittany and his second wife, Yolande de Dreux.