Agnes of Burgundy, Duchess of Aquitaine, regent of Aquitaine

Agnes of Burgundy was Duchess of Aquitaine by marriage to Duke William V and Countess of Anjou by marriage to Count Geoffrey II. She served as regent of the Duchy of Aquitaine during the minority of her son from 1039 until 1044. She was a daughter of Otto-William, Count of Burgundy and Ermentrude de Roucy and a member of the House of Ivrea.