Ipatiev House

Ipatiev House was a merchant's house in Yekaterinburg in which the former Tsar Nicholas II of Russia, his family and members of his household resided after the Russian Revolution.

In the early hours of 17 July 1918, a group of Templars and the Assassin Nikolai Orelov infiltrated the Ipatiev House in search of the Precursor box that Imperial family possessed. The Templars reached the family first and killed them all; however, the Tsar's daughter Anastasia survived and escaped with the Precursor box with Nikolai's help.

Reference

 * Assassin's Creed Chronicles: Russia