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Charlotte Aglaé d'Orléans (22 October 1700 – 19 January 1761) was Duchess of Modena and Reggio by marriage to Francesco III d'Este. She was the third daughter of Philippe II, Duke of Orléans and his wife, Françoise-Marie de Bourbon. She was born a princesse du sang, and had ten children, including Ercole III d'Este, Duke of Modena.