Guy of Penthièvre
French noble
(1287–1331)
Parents
Arthur II, Duke of Brittany
Marie, Viscountess of Limoges
Children
Joan, Duchess of Brittany
Siblings
John III, Duke of Brittany
Beatrice of Brittany
Alice of Brittany
John IV, Duke of Brittany
Marie de Montfort
Blanche de Montfort
Jeanne de Dreux-Bretagne, Dame de Nogent-le-Rotrou
Pierre de Bretagne
Partners
Jeanne d'Avaugour
Jeanne de Clisson