Bertha of Blois (French: Berthe de Blois; c. 1005 — c. 1080), was a Duchess consort of Brittany and a countess consort of Maine. Bertha was the daughter...

regent of Brittany while her brother Richard II, Duke of Normandy assumed guardianship over Brittany. In 1018 Alan married Bertha of Blois, daughter of Odo...

III, Duke of Brittany by his wife Bertha of Blois, and member of the House of Rennes. He was the elder brother of Hawise, who succeeded him as suo jure...

Born around 983, Odo II was the son of Odo I of Blois and Bertha of Burgundy. He was the first to unite Blois and Champagne under one authority although...

of Alan III, Duke of Brittany, by his wife, Bertha of Blois, and as such, a member of the House of Rennes. She had two siblings: Conan II and Emma of...

Count Odo I of Blois in about 983. They had several children, including Theobald II and Odo II. After the death of her husband in 996, Bertha's second cousin...

This is a list of monarchs of the Duchy of Brittany. In different epochs the sovereigns of Brittany were kings, princes, and dukes. The Breton ruler was...

Constance of Normandy (between 1057 and 1061 – 13 August 1090) was a Duchess of Brittany. She was one of the nine children of William the Conqueror and...

married c. 1046 Bertha of Blois, who was the widow of Alan III, Duke of Brittany, and daughter of Odo II, Count of Blois and Ermengarde of Auvergne. Their...

Count of Maine from 1051 to 1062. He was a Hugonide, son of Hugh IV of Maine and Bertha of Blois. On the death of Hugh IV, Geoffrey Martel, Count of Anjou...