Olga Kameneva Olga Kameneva Olga Davidovna Kameneva (, ; 1883 – 11 September 1941) (née Bronstein — Бронштейн) was a Russian Bolshevik revolutionary and a Soviet politician. She was the sister of Leon Trotsky and the first wife of Lev Kamenev. Olga Bronstein was born in Yanovka, Kherson Governorate, Russian Empire (present-day Kirovohrad Oblast, Ukraine), a small village 15 miles from the nearest post office. She was one of two daughters of a wealthy but illiterate farmer, David Leontyevich Bronstein (or Bronshtein, 1847–1922), a Jewish colonist, and Anna Lvovna (née Zhivotovskaya) (1850–1910). Although the family was of Jewish extraction, they were not
Lev Zadov Lev Zadov Lev Nikolaevich Zadov (Zinkovsky) () April 11, 1893 - September 25, 1938, Kiev was chief of military intelligence of the Revolutionary Insurrectionary Army of Ukraine, and later an OGPU operative. Born Lev Zadov, he changed his last name to Zinkovsky. Lev Zadov was born in the Russian Jewish agricultural colony Veselaya. About 1898-1900 his family fell on hard times and moved to Yuzovka, where his father found work as a coachman. Zadov graduated at a Jewish elementary school there and started to work as a manual laborer at a mill, later working at Yuzovka Metallurgical Works. Lev Zadov