 Her father was the grandson of "le Grand Condé" and her mother, Louise Françoise de Bourbon, "Mademoiselle de Nantes", was the eldest surviving daughter of Louis XIV of France and his "maîtresse-en-titre", Madame de Montespan.She was known as "Mademoiselle de Clermont".The fourth daughter and the fifth child of her parents, she shared her name with her eldest sister, Marie Anne Éléonore.