Lot Essay
Ida de Grimod d'Orsay (1802-1882) was the younger sister of Alfred, third comte d'Orsay, the celebrated parisian dandy and artist. In 1818, she married Antoine IX Geneviève-Héraclius-Agénor (1789-1855), duc de Guise who became 9th duc de Gramont in 1836.