Prince John Konstantinovich of Russia
Prince of Russia
Prince John Konstantonovich of Russia, born as Grand Duke John Konstantinovich of Russia, sometimes also known as Prince Ivan or Prince Ioann or Prince Johan, was the eldest son of Grand Duke Konstantin Konstantinovich of Russia by his wife,... Wikipedia
Born: July 5, 1886, Pavlovsk, Saint Petersburg, Russia
Died: July 18, 1918 (age 32 years), Alapayevsk, Russia
Great-grandparents: Nicholas I of Russia, Alexandra Feodorovna, Duchess Amelia of Württemberg, and more
Grandchildren: Fiammetta Farace, Giovanni Farace, Marchese Farace di Villaforesta, and Nicoletta Farace
Spouse: Princess Helen of Serbia (m. 1911)