Jeanne de Clisson (1300–1359), also known as Jeanne de Belleville and the Lioness of Brittany was a French / Breton former noblewoman who became a privateer to avenge her husband after he was executed for treason by the French King Philip VI. She crossed the English Channel targeting French ships and often slaughtering their crew. It was her practice to leave at least one sailor alive to carry her message of vengeance. After the execution of Olivier, Jeanne sold the de Clisson estates, raised a force of about 400 loyal men and started attacking French forces in Brittany. Jeanne is said to have attacked: A castle at Touffou, near Bignon. The castle was built on the edge of a forest in the parish of Bignon, not far from the abbey of Villeneuve. The castle was under command of Galois de la Heuse, an officer of Charles de Blois, who apparently recognised Jeanne and let her in, whereopon her force massacred the entire garrison wit...