Bertha of Blois

Duchess consort of Brittany (1005–1080)

Parents

• Ermengarde d'Auvergne
• Odo II, Count of Blois

Children

• Hawise, Duchess of Brittany
• Herbert II, Count of Maine
• Conan II, Duke of Brittany
• Margaret de Maine
• Paula of Maine

Siblings

• Theobald III
• Stephen II of Troyes
• Almodis

Partners

• Hugh IV, Count of Maine
• Alan III, Duke of Brittany