Ivan Vasilkovich of Terebovl (c1090-1141)

Ivan Vasilkovich  Prince of Terebovl and Prince of Halych was the son of Vasilko Rostislavich, Prince of Terebovl. According to Ukrainian historian [[Leontii Viktorovich Voytinovich (1951-)|L. Voytovich} the prince had the middle name Igor.

On his father's death, in 1124, Ivan inherited the Principality of Halych and his brother Rostislav Vasilkovich (Ivan's junior according to L. Voytovicha, and his senior according to Alexander Yevgenievich Presnyakov (1870-1929) inherited the [[Principality of Terebovl. The following year, Ivan with his brother Rostislav and with Mstislav of Kiev took part in the distribution of their cousins, Volodarevicha Vladimir, Prince of Zvenigorod, and Rostislav Volodarevicha , Prince Przemysl, holding the side of the latter, and in 1140 , together with Vladimir participated in the clashes the Grand Duke of Kiev Vsevolod II (his father in law) with the applicant on the Kiev throne Izyaslavom Mstislavich.

Rostislav Vasilkovich died before his brother, and Ivan took over ruling the Principality Halych which he attached to his own possessions in Terebovl. In 1141, Ivan also died childless, and the Prince of Peremyshl]] Vladimir Volodarevich moved to Halych, thus uniting all the territory of South-Western Russia and establishing a unified principality of Halych. {{Showfacts children