Paul-Hippolyte de Beauvilliers, duke of Saint-Aignan (15 November 1684, in Paris – 22 January 1776, in Paris) was a French diplomat, soldier, chevalier des ordres du Roi and peer of France. Family He was the son of François Honorat de Beauvilliers, 1st duc de Saint-Aignan and of Antoinette Servien and the half brother of Paul de Beauvilliers, 2nd duc de Saint-Aignan. Life He served as ambassador to Spain (where in 1716 he accompanied don Philip to the baptismal font in the name of France), then as a member of the Regency council in 1719, governor of Le Havre and ambassador extraordinary to Rome in 1731. He was elected a member of the Académie Française in 1726 and of the Académie des inscriptions in 1732. See also Duke of Saint-Aignan References External links Académie française 1684 births 1776 deaths Nobility from Paris 18th-century French diplomats 18th-century peers of France Ambassadors of France to the Holy See Ambassadors of France to Spain Dukes of Saint-Aignan Members of the Académie Française Members of the Académie des Inscriptions et Belles-Lettres Diplomats from Paris