About Maximilian de Beauharnais, 3rd Duke of Leuchtenberg
Maximilian Joseph Eugene Auguste Napoleon de Beauharnais, 3rd Duke of Leuchtenberg, Prince Romanowsky (2 October 1817 – 1 November 1852) was the husband of Grand Duchess Maria Nikolayevna of Russia and first cousin of Emperors Napoleon III of the French and Francis Joseph I of Austria.
He was a grandson of Napoleon I's first wife, the Empress Josephine, by her prior marriage to Alexandre de Beauharnais.