Duke George of Oldenburg Royalty
Duke George of Oldenburg (9 May 1784 – 27 December 1812) was a younger son of Peter I, Grand Duke of Oldenburg and his wife Duchess Frederica of Württemberg. He was a son-in-law of Paul I of Russia through marriage to his daughter Grand Duchess Catherine Pavlovna of Russia. He was referred to as a prince in Russia, Prince Georgy Petrovich Oldenburgsky.