now lays claim to the wealth and estates bequeathed by Cardinal Mazarin, including the Duchy of Rethel, and the Principality of Château-Porcien. Ancestry References Monaco: 1662 to 1815 retrieved 8 February 2007 World Roots retrieved 8 February 2007 Louise d'Aumont Mazarin House of Grimaldi 1759 births 1826 deaths Burials at the Cathedral of Our Lady Immaculate Aumont, Duchess of, Louise Hereditary Princesses of Monaco Burials at Père Lachaise Cemetery