Vladimir II Monomakh
Vladimir II Monomakh (Old East Slavic: Володимѣръ Мономахъ, "Volodiměrŭ Monomakh"; ; ; Christian name: "Vasiliy", "Vasyl", or "Basileios") (26 May 1053 – 19 May 1125) reigned as Grand Prince of Kievan Rus' from 1113 to 1125. He is considered a saint in the Eastern Orthodox Church and is celebrated on May 6.