Vasilko Rostislavich of Terebovl (1067-1125)

Vasilko Rostislavich Prince of Trebovl (1084 -1092), was the youngest son of Rostislav Vladimirovich.

After the death of his father in Tmutarakan he lived with his brothers lived in Vladimir-Volynsky at the court of his great-uncle Yaropolk Izyaslavich

In the 1080s Rostislav's sons claimed the Principality of Vladimir-Volynsky and in 1084 were able to take possession of it, but the the Grand Prince of Kiev Vsevolod I drove them out, giving them the principalities of Przemysl, Terebovl and Zvenigorod.

According to the hypothesis B. G. Vasilyevsky in 1091, along with Vasilko, the Cuman khans Bonyak and Tugorkan helped Byzantium in the war against the Pechenegs. The assumption is based on a fragment from Anna Comnene's book "The Alexiad""  In the early 1090s Vasilko did make long raids with his Cuman allies, in particular, in 1092 went to war against Poland . Vasilko's foreign policy ambitions at the time were significant, and the scope of his interests extended to Bulgaria: it is known that he wanted to conquer Bulgaria south of the Danube and to create his own principality..

In 1097 participated in the Council of Lyubech (1097)Council of Lyubech with the other Russian princes. After his graduation was on the orders of the prince of Kiev Svyatopolk Izyaslavich (1113) and will utter Vladimir-Volyn Prince Davyd Igorevich allegedly captured and blinded in the village of Zvenigorod near Kiev.

These events caused the once princely feuds. In 1098, Vladimir Monomakh, Oleg Svyatoslavich and Davyd Svyatoslavich] rushed to Kiev and forced to declare war Svjatopolka Davyd Igorevich. In the spring of that year Volodar Rostislavich besieged [[Busk, which at the time was Davyd, and forced him to release Vasilko. In 1099 , together with his brother Vasilko Volodar troops defeated princes Svyatopolk Izyaslavich and Svyatoslav Davidovich in the battle to goad the field (west of the city Zolochiv on modern Lviv region ). Svyatopolk sent his son Yaroslav to Hungary, asking King Coloman I Volodar ground attack. The mission was a success, the king personally led an army, coming up to Przemysl. However, on the river Vagra River, (Битва на Вагре) near Przemysl, with the help of the Cuman Khan Bonyak and expelled from Vladimir Davyd Igorevich inflicted  Rostislavich and the Hungarians a crushing defeat.

SV Ivanov congress of princes in Uvetichah After the cessation of active hostilities in 1100 Sviatopolk princes, Vladimir, Oleg and Davyd (Svyatoslavich) gathered at the council Uvetichah, Valadar sent messengers, saying: " Take your brother Cornflower to yourself, and you will be one parish - Przemysl. And if you enjoy, then both sit there, if not, then let Cornflower here, we feed him here. A slaves and serfs of our outstanding . " Brothers " did not listen to it " [5]. About that, the conditions under which in the end, peace was concluded, is not known, but the prince remained Vasil'ko terebovalskim until his death. In 1117 Vasil'ko was an ally of Grand Prince Vladimir Monomakh ( 1113 - 1125 ) in the war against Vladimir-Volyn prince Yaroslav Svyatopolchicha, and in 1123 - Jaroslav Svyatopolchicha ally, helping him in his struggle with the son of Monomakh, the new Prince of Volyn Andrew Kind.