Conan IV, Duke of Brittany

Duke of Brittany from 1156 to 1166 (1138–1171)

Parents

• Bertha, Duchess of Brittany
• Alan of Penthièvre, 4rd Lord of the Honour of Richmond, 1st Earl of Richmond

Children

• Constance, duchess of Brittany

Siblings

• Constance of Penthièvre
• Alice de Porhoët
• Eudon
• Reginald (?)

Partners

• Margaret of Huntingdon, Duchess of Brittany