 Rostislav did not like the distant and meager land and, in 1064, assisted by his father's close friend Vyshata, seized the rich Tmutarakan on the Black Sea littoral, previously controlled by the House of Chernigov.His predecessor, Gleb Svyatoslavich, escaped to his father, Svyatoslav II of Chernigov who was part of the Yaroslaviches triumvirate.The latter approached Tmutarakan with his army and Rostislav was forced to leave the city.