Constance of Penthièvre
Breton noblewoman, Viscountess consort of Rohan
(1140–1184)
Parents
Bertha, Duchess of Brittany
Alan of Penthièvre, 4rd Lord of the Honour of Richmond, 1st Earl of Richmond
Children
Alain IV de Rohan
Marguerite de Rohan
Siblings
Conan IV, Duke of Brittany
Alice de Porhoët
Eudon
Reginald (?)
Partners
Alain III de Rohan