Alix de Talleyrand-Périgord 4 Nov 1808 - 21 Sep 1842 (1808–1842) Parents Marie de Choiseul-Praslin Augustin-Hélie-Charles de Talleyrand-Périgord Children Prince Auguste d'Arenberg, 2nd Duke of Arenberg Partners Prince Pierre d'Arenberg, 1st Duke of Arenberg