Pardaillan, the name of an old French family of Armagnac, of which several members distinguished themselves in the service of the kings of France in the 16th and 17th centuries. Antoine Arnaud de Pardaillan, maréchal de camp, served Henry IV in Franche-Comté, Picardy and Savoy, and was created marquis de Montespan in 1612 and marquis d'Antin in 1615 under Louis XIII. His grandson Louis Henri Pardaillan, marquis de Montespan, was the husband of Françoise-Athénaïs, marquise de Montespan, the mistress of Louis XIV. Louis Antoine de Pardaillan de Gondrin (1665–1736), legitimate son of the famous marquise, became lieutenant-general of the armies of the king in 1702, governor of the Orléanais, director-general of buildings in. 1708, lieutenant-general in Alsace, member of the council of regency, and minister of state.