Sergei Georgievich, 8th Duke of Leuchtenberg
…Leuchtenberg (4 July 1890 – 7 January 1974), was the son of Prince George Maximilianovich Romanowsky, 6th Duke of Leuchtenberg, and his second wife, Princess Anastasia of Montenegro. He succeeded his half-brother Alexander Georgievich as Duke of Leuchtenberg in 1942 and held the title until his death in 1974. Prince Sergei was born…