 After the death of Jean Lannes, the eldest son Napoléon succeeded in his titles and three others who used the courtesy title of baron.The Duchess of Montebello enjoyed a great deal of respect in the contemporary Parisian high society as a role model of aristocratic femininity.She was appointed "dame d'honneur" (Mistress of the Robes) to Empress Marie Louise by Napoleon I, a position she kept from 1810 until the fall of Napoleon in 1814.