Grand Duchess Olga Nikolaevna of Russia (Olga Nikolaevna Romanova; Russian: Великая Княжна Ольга Николаевна, tr. Velikaya Knyazhna Ol'ga Nikolaevna, IPA: [vʲɪˈlʲikəjə knʲɪˈʐna ˈolʲɡə nʲɪkɐˈla(j)ɪvnə] (); 15 November [O.S. 3 November] 1895 – 17 July 1918) was the eldest child of the last Tsar of the Russian Empire, Emperor Nicholas II, and of ...
Anastasia Nikoláyevna nació el 5 de junio de 1901 en el palacio de Peterhof, Rusia, según el calendario juliano, vigente en ese país hasta 1918.Cuando Anastasia nació, sus padres y el resto de su familia se sintieron decepcionados por haber tenido una cuarta hija (tras Olga, Tatiana y María).
In the autumn of 1907, Anastasia's aunt Grand Duchess Olga Alexandrovna of Russia was escorted to the nursery by the Tsar to meet Rasputin. Anastasia, her sisters and brother Alexei were all wearing their long white nightgowns. "All the children seemed to like him," Olga Alexandrovna recalled. "They were completely at ease with him."
Grand Duchess Tatiana Nikolaevna of Russia (Tatiana Nikolaevna Romanova; Russian: Великая Княжна Татьяна Николаевна; 10 June [O.S. 29 May] 1897– 17 July 1918) was the second daughter of Tsar Nicholas II, the last monarch of Russia, and of Tsarina Alexandra. She was born at Peterhof Palace, near Saint Petersburg.
King Karl and Queen Olga legally adopted Grand Duchess Vera in 1871. They arranged her marriage to a member of the Silesian branch of their family, Duke Eugen of Württemberg (born 20 August 1846 – 27 January 1877), as in this way she would not have to leave the country after her marriage.
In 1925, Olga and Colonel Kulikovsky travelled to Berlin to meet Anna Anderson, who claimed to be Olga's niece, Grand Duchess Anastasia Nikolaevna of Russia. Anderson had attempted suicide in Berlin in 1920, which Olga later called "probably the only indisputable fact in the whole story". 
Olga Constantinovna of Russia (Greek: Όλγα; 3 September [O.S. 22 August] 1851 – 18 June 1926) was queen consort of Greece as the wife of King George I. She was briefly the regent of Greece in 1920.