Her Imperial Highness Gran Duchess Anastasia of Russia (Anastasia Nikolaevna Romanova, (Russian: Великая Княжна Анастасия Николаевна Романова (June 18 [O.S. June 5] 1901 — July 17, 1918), was the youngest daughter of Tsar Nicholas II of Russia, the last sovereign of Imperial Russia, and his wife Alexandra Fyodorovna.