Louis of France ( 1 November 1661 - 14 April 1711 ) was the eldest son and heir of Louis XIV , King of France , and his spouse , Maria Theresa of Spain .
Louis of France , Dauphin of France ( 1 November 1661 , - 14 April 1711 ) was the eldest son and heir of Louis XIV , King of France and of his spouse , Marie Therese of Austria .