Michael of Russia Michael of Russia Michael I of Russia (Russian: Михаи́л Фёдорович Рома́нов, "Mikhail Fyodorovich Romanov") () became the first Russian Tsar of the House of Romanov after the zemskiy sobor of 1613 elected him to rule the Tsardom of Russia. He was the son of Feodor Nikitich Romanov (later known as Patriarch Filaret) and of Xenia (later known as "the "great nun"" Martha). He was also a nephew of Feodor I (the last Rurikid Tsar) through his great-aunt Anastasia Romanovna (his paternal grandfather's sister) and through marriage with Tsar Ivan IV of Russia. His accession marked the end of the Time
Prince Rostislav Alexandrovich of Russia Prince Rostislav Alexandrovich of Russia Prince Rostislav Alexandrovich of Russia (2 November 1902 – 31 July 1978) was the fifth son and sixth child of Grand Duke Alexander Mikhailovich and Grand Duchess Xenia Alexandrovna. He was a nephew of Tsar Nicholas II, Russia's last tsar. Prince Rostislav Alexandrovich was the sixth child and fifth son of HIH the Grand Duke Alexander Mikhailovich ‘Sandro’ (1866–1933) and HIH the Grand Duchess Xenia Alexandrovna (1875–1960). His parents were paternal first cousins once removed. Consequently, Prince Rostislav was the great-grandson of Tsar Nicholas I (from his father's side), also the great-great-grandson of the same