Hvem daterte Charles Joseph, comte de Flahaut?

Auguste Charles Joseph de Flahaut de La Billarderie, Comte de Flahaut (French pronunciation: [oɡyst ʃaʁl ʒozɛf də flao də la bijaʁdəʁi]; 21 April 1785 – 1 September 1870) was a French general during the Napoleonic Wars, a senator, and later in his life, a French ambassador to the Court of St James's. He had a son with Napoleon's stepdaughter, Hortense de Beauharnais.