Grand Duchess Anastasia Nikolaevna of Russia in 1918, Princess Helena Petrovna, the wife of Anastasia's distant cousin, Prince John Constantinovich of Russia, reported that a guard brought a girl who called herself Anastasia Romanova to her cell and asked if the girl was the daughter of the Tsar. Helena Petrovna said she did not recognize the girl and the guard took her away. Although other witnesses in Perm later reported that they saw Anastasia, her mother and sisters in Perm after the murders, this story is now widely discredited. Rumors that they were alive were fueled by deliberate misinformation designed to hide the fact that the
Tsardom of Russia Khmelnytsky, offered to ally with the Russian tsar, Aleksey I. Aleksey's acceptance of this offer, which was ratified in the Treaty of Pereyaslav in 1654, led to a protracted war between Poland and Russia. The Truce of Andrusovo, which did not involve the Hetmanate (Cossack Hetmanate) as a participating party of the agreement ended the war in 1667. As a result, it split Ukrainian territory along the Dnieper River, reuniting the western sector (or Right-bank Ukraine) with Poland and leaving the eastern sector (Left-bank Ukraine) self-governing under the sovereignty of the tsar. However, the self-government did not last long and