Bertha, Duchess of Brittany

French politician (1114–1156)

Parents

• Conan III, Duke of Brittany
• Matilda FitzRoy, Duchess of Brittany

Children

• Conan IV, Duke of Brittany
• Eudon
• Alice de Porhoët
• Constance of Penthièvre

Siblings

• Hoel, Count of Nantes
• Constance de Bretagne

Partners

• Odo, Viscount of Porhoet
• Alan of Penthièvre, 4rd Lord of the Honour of Richmond, 1st Earl of Richmond