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Marie Adélaïde of Savoy (6 December 1685 – 12 February 1712) was the wife of Louis, Dauphin of France, Duke of Burgundy. She was the eldest daughter of Victor Amadeus II, Duke of Savoy, and of Anne Marie d'Orléans. Her betrothal to the Duke of Burgundy in June 1696 was part of the Treaty of Turin, signed on 29 August 1696. She was the mother of the future King Louis XV. Styled as Duchess of Burgundy after her marriage, she became Dauphine of France upon the death of her father-in-law, Le Grand Dauphin, in 1711. She died of measles in 1712, followed by her husband a week later.

Louis, Dauphin of France, Duke of Burgundy (16 August 1682 – 18 February 1712), was the eldest son of Louis, Grand Dauphin, and Maria Anna Victoria of Bavaria and grandson of the reigning French king, Louis XIV. He is commonly known as le Petit Dauphin to distinguish him from his father. When his father died in April 1711, the Duke of Burgundy became the official Dauphin of France. Described by his contemporaries as a pious, intellectual, gentle and shy man who was faithful and loving to his wife, he never reigned, as he died in 1712 while his grandfather was still on the throne. Upon the death of Louis XIV in 1715, the Duke of Burgundy's third son became Louis XV.