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Louis, Dauphin of France (4 September 1729 – 20 December 1765) was the elder and only son of King Louis XV of France and his wife, Queen Marie Leszczyńska to survive to adulthood. He had a younger brother, Philippe, who died as a toddler. As a son of the king, Louis was a "fils de France". As heir apparent, he became Dauphin of France. However, he died before ascending to the throne. Three of his sons became kings of France: Louis XVI (reign: 1774–1792), Louis XVIII (reign: 1814–1815; 1815–1824) and Charles X (reign: 1824–1830).
Louis, Dauphin