Ermengarde of Anjou, Duchess of Burgundy

Ermengarde of Anjou (c. 1018 – 18 March 1076), was a Duchess consort of Burgundy. She was the daughter of Count Fulk III of Anjou and Hildegarde of Sundgau. She was sometimes known as Ermengarde-Blanche.

She married first, c. 1035 Geoffrey II, Count of Gâtinais (in French Geoffroy), called Ferréol and sometimes known as Aubri, seigneur de Château-Landon. Together they had the following children:

• Hildegarde de Château-Landon, married c.1060 to Joscelin I, Lord of Courtenay
• Geoffrey III, Count of Anjou
• Fulk IV, Count of Anjou

She married secondly Robert I, Duke of Burgundy. Together they had one daughter:

• Hildegarde (c. 1056–1104), who married Duke William VIII of Aquitaine