Adele of France, born around 1009, was a French noblewoman and the daughter of King Robert II of France and Constance of Arles. She became the Duchess of Aquitaine through her marriage to William IX of Aquitaine, a prominent figure in medieval France. Adele played a significant role in the political landscape of her time, influencing the affairs of her duchy. Adele's marriage to William IX produced several children, including William X of Aquitaine, who continued the family's legacy. Her life reflects the complexities of noble alliances in the medieval period, showcasing the importance of marriage in strengthening political ties among European nobility.