Original: Louis XV was born in the Palace of Versailles on 15 February 1710 , during the reign of his great-grandfather Louis XIV , to the eldest surviving son of Louis , le Grand Dauphin , that is Louis , duc de Bourgogne and his wife , Marie-Ad élaïde of Savoy .
Simplified: Louis was born at Versailles on February 15 , 1710 , the son of Louis , Dauphin of France and his mother Princess Marie-Ad élaïde of Savoy .