Maximilian de Beauharnais, 3rd Duke of Leuchtenberg
…Prince Sergei Maximilianovich of Leuchtenberg (20 December 1849 – 24 October 1877). Killed in the Russo-Turkish War of 1877-1878. George Maximilianovich, 6th Duke of Leuchtenberg (29 February 1852 – 16 May 1912) m.(1) Duchess Therese Petrovna of Oldenburg (1852–1883) m.(2) Princess Anastasia of Montenegro (1868–1935) Through his…