Pavlo Teteria Pavlo Teteria ( ; , ) ( born ? – died 1670 in Adrianopolis ) was Hetman of Right - bank Ukraine ( 1663 – 1665 ) . Before his hetmancy he served in a number of high positions under Bohdan Khmelnytsky , and Ivan Vyhovsky . When the Khmelnytsky Uprising broke out he served as a regimental secretary of Pereyaslav ; shortly afterwards he was appointed the deputy of the general secretary . Later he assumed the post of the Pereyaslav colonel , while still continuing to act as deputy general secretary . He was one of the Ukrainian delegates that were sent to conduct the Treaty of Pereyaslav . Teteria participated in the negotiations aimed at uniting Ukraine back into the Polish - Lithuanian Commonwealth . When a civil war between Right - bank Cossacks and Right - bank Cossacks broke out , he openly supported pro - Polish policies , and was elected Hetman in the Right - bank Ukraine in 1663 . He participated with the Poles in a campaign into Left - Bank Ukraine , but in 1665 he abdicated because of political and social unrests in Right - bank . Teteria fled to Poland , but eventually came into conflict with the Polish nobility and left for Turkey , where he died plotting an invasion of Poland . Biography . He was the son in law of hetman Bohdan Khmelnytsky , when he married his daughter Olena Khmelnytsky in 1660 . Teteria was educated at the Kyivan Mohyla College and he was member of the Lviv Dormition Brotherhood . He joined the Cossack army when the Khmelnytsky Uprising broke out in 1648 . He began his official service as a regimental secretary for the Pereyaslav regiment . Shortly after he became the deputy of the general secretary . He was part of the delegation that accompanied Tymofiy Khmelnytsky to Iaşi to marry Ruxandra the daughter of the Moldavian Voivode Vasile Lupu . On July 1653 Teteria assumed the position of colonel of Pereyaslav , while still maintaining the office of deputy general secretary . Teteria and along with Samiilo Bohdanovych - Zarudny were part of the Ukrainian delegation sent to Moscow in April to conduct the Treaty of Pereyaslav with the Tsardom of Russia , which placed the Cossack Hetmanate and the Zaporozhian Host under the protection of the Tsar . When Vyhovsky was proclaimed hetman , he was made the chancellor secretary to the hetman . He participated in the negotiations of the Treaty of Hadiach , which would restore Ukraine back into the Commonwealth , as a third and autonomous state , under the ultimate sovereignty of the King of Poland . The treaty led to a civil war known as The Ruin , when he openly supported pro - Polish policy and pressured the young , and unexperienced Yuri Khmelnytsky to abdicate . Hetman . In a cossack council meeting in Chyhyryn on January 2 , 1663 Teteria officially succeed Khmelnytsky as the Hetman of Ukraine . Once in power he had Cossack leaders executed and imprisoned , because he perceived them as possible rivals . Teteria had Vyhovsky , Ivan Bohun executed , and had Yuri Khmelnytsky imprisoned . Teteria followed a strong line of Polish policies , and was unwilling to forge an independent Cossack policy . In 1664 along with Jan II Casimir Vasa he led an invasion into Left - bank Ukraine . When the attack failed , Teteria returned to the Right - bank but Cossack - led peasant uprisings against his rule occurred because of the detested behaviors of him and his Polish allies to common cossacks , and peasants . In 1665 unable to cope with the social unrests , particularly the " Drozd Uprising " , Teteria abdicated and fled to Poland . In Poland he converted to Catholicism and was given high administrative posts in Polatsk . Eventually he got into disputes with Polish magnates and fell upon misfortune . Unable to gain any sufficient support from the Polish Sejm , he left to Adrianopolis where he died plotting an invasion of Poland .