Grigory Semyonov
Grigory Mikhaylovich Semyonov, or Semenov (Russian: Григо́рий Миха́йлович Семёнов) (September 13(25), 1890–August 30, 1946), was a Japanese-supported leader of the White movement in Transbaikal and beyond from December 1917 to November 1920, Lieutenant General and Ataman of Baikal Cossacks (1919).
Read more about Grigory Semyonov: Biography, The Russian Civil War in Transbaikal, In Exile