Prince George Alexandrovich Yuryevsky was the natural son of Alexander II of Russia by his mistress, Princess Catherine Dolgorukova. Wikipedia
Born: May 12, 1872, Saint Petersburg, Russia
Died: September 13, 1913 (age 41 years), Marburg, Germany
Grandchild: Georgy Yuryevsky
Children: Aleksandr Yuryevsky
Parents: Alexander II of Russia and Catherine Dolgorukova
Siblings: Olga Yurievskaya, Boris Alexandrovich Yurievsky, and Alexander III of Russia
Great-grandparents: Maria Feodorovna, Paul I of Russia, Louise of Mecklenburg-Strelitz, and more