Charles

Charles (born 1319—died Sept. 29, 1364, Auray, Fr.) was a rival duke of Brittany, a son of the French king Philip VI’s sister Margaret. Charles’s claim to Brittany through his marriage to Joan the Lame of Penthièvre, niece of Duke John III of Brittany, led to a conflict with the other claimants, John of Montfort and later his son Duke John IV of Brittany, in the 20-year War of the Breton Succession, which also involved...