Prince Pierre d'Arenberg, 1st Duke of Arenberg French nobleman and politician (1790–1877) Parents Louise Antoinette de Brancas-Villars Louis Engelbert, 6th Duke of Arenberg Children Prince Auguste d'Arenberg, 2nd Duke of Arenberg Siblings Prosper Louis, 7th Duke of Arenberg Princesse et Duchesse Pauline d'Arenberg Partners Alix de Talleyrand-Périgord
