House of Dreux-Brittany

Cadet branch of the House of Dreux

Cadet Branches
House of Machecoul
Lords of Machecoul, La Bénate, Coutumier, Bouin, Bourgneuf-en-Retz and Coché
Issued from Olivier, son of Pierre Mauclerc from his 2nd marriage
House of Montfort-Brittany
Counts of Montfort
Earls of Richmond
Dukes of Brittany
Issued from John of Montfort, son of Arthur II of Brittany from his 2nd marriage

Personal Arms
Pierre Mauclerc
Duke of Brittany
2nd son of Robert II, Count of Dreux
Progenitor of the Dreux-Brittany branch
Arthur II of Brittany
as Viscount of Limoges
Eldest son and heir of John II of Brittany
Jean de Bretagne
Earl of Richmond
2nd son of John II of Brittany
Pierre de Bretagne
Viscount of Léon
Youngest son of John II of Brittany
Earlier arms variant
Pierre de Bretagne
Viscount of Léon
Youngest son of John II of Brittany
Later arms variant
Guy de Penthièvre
Count of Penthièvre
Viscount of Limoges
Younger son of Arthur II of Brittany from his 1st marriage
John of Montfort
Count of Montfort-l'Amaury
Son of Arthur II of Brittany from his 2nd marriage
Progenitor of the Montfort branch
Jeanne de Penthièvre
Countess of Penthièvre
Viscountess of Limoges
Duchess of Brittany
Daughter and heiress of Guy de Penthièvre