Olgovichi

The Olgovichi or Olhovychi were one of the four dominant princely clans of Kievan Rus' in the 12th and 13th century. First mentioned in the Hypatian continuation of the Primary Chronicle (PVL) under the year 1116 and literally meaning "the sons of Oleg", they were named after Oleg I Sviatoslavich, Prince of Chernigov (r.1094–1097) and Principality of Novgorod-Seversk (r.1097–1115). He was the grandson of Yaroslav the Wise; ruling dynasty in the Chernigov principality, Novgorod-Seversky principality, as well as with interruptions: in the Kiev, Galicia, Volyn, Pereyaslav principalities, Novgorod lands.