What was the birthdate of Charlotte Bonaparte's husband's father?
Charlotte Bonaparte:  Charlotte married her first cousin Napoleon Louis, the second son of Louis Bonaparte and Hortense de Beauharnais. Louis Bonaparte: Louis Napoléon Bonaparte (born Luigi Buonaparte; 2 September 1778 – 25 July 1846) was a younger brother of Napoleon I, Emperor of the French.
2 September 1778