Original: She was a younger sister of Grand Duchess Olga Nikolaevna of Russia and an elder sister of Grand Duchess Anastasia Nikolaevna of Russia and Grand Duchess Maria Nikolaevna of Russia, all of whom were falsely rumored to have survived the assassination of the Imperial Family.
Simplified: Grand Duchess Tatiana Nikolaevna of Russia (b. June 10, 1897, Russia) was a daughter of Tsar Nicholas II of Russia and Tsarina Alexandra Feodorovna.