High Quality Content by WIKIPEDIA articles! Yakov (Yankel) Mikhailovich Yurovsky (19 June [O.S. 7 June] 1878 in Tomsk, Siberia, Russia before 2 August 1938 in Moscow) is best known as the chief executioner of Russia's last emperor Tsar Nicholas and his family after the Russian Revolution of 1917. ON the night of 16 July/17 July 1918, a squad of Bolshevik secret police Cheka led by Yurovsky executed Russia's last Emperor, Tsar Nicholas II, along with his wife Alexandra Fyodorovna of Hesse, their four daughters, Olga, Tatiana, Maria, and Anastasia, and their son Alexei. ALong with the family, four servants (their Physician Dr. YEvgeny Botkin, a Lady-in-Waiting, and two other servants) were also killed. ALl were shot in a half-cellar room (measured to be 25 feet x 21 feet) of the Ipatiev House in Yekaterinburg, a city in the Ural Mountains region, where they were being held prisoner.