Princess Adélaïde of Orléans

Louise Marie Adélaïde Eugénie d'Orléans was a French princess, one of the daughters of Philippe d'Orléans, known as Philippe Égalité during the French Revolution, and Louise Marie Adélaïde de Bourbon. She was titled Mademoiselle de Chartres at birth, Mademoiselle d'Orléans at the death of her older twin sister in 1782, Mademoiselle (1783–1812), Madame Adélaïde (1830). As a member of the reigning House of Bourbon, she was a princesse du sang.