John I of Blois-Châtillon

(1345-1404) (1345–1404)

Parents

• Joan, Duchess of Brittany
• Charles, Duke of Brittany

Children

• Charles de Châtillon, Baron d'Avaugour
• Jean de l'Aigle, Viscount of Limoges
• William of Blois, Count of Penthièvre
• Olivier de Blois, Count of Penthièvre

Siblings

• Marie of Blois, Duchess of Anjou
• Margaret of Châtillon

Partners

• Margaret of Clisson