Prosper Louis, 7th Duke of Arenberg Duke of Arenberg (1785-1861) (1785–1861) Parents Louise Antoinette de Brancas-Villars Louis Engelbert, 6th Duke of Arenberg Children Antoine François d'Arenberg, prince d'Arenberg Marie, Princesse et Duchesse d'Arenberg Engelbert, 8th Duke of Arenberg Siblings Princesse et Duchesse Pauline d'Arenberg Prince Pierre d'Arenberg, 1st Duke of Arenberg Partners Ludmilla, Prinzessin von Lobkowicz Stéphanie de Tascher de La Pagerie
