Yakiv Ostryanyn
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| name = Jakiv Ostranin
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| image = Jakiv Ostranin.PNG
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| death_date = 1641
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| known_for = Ostryanyn uprising
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| partner = Małgorzata from Bnina Łódz coat of arms
| children = Iskra Ivan Yakovych
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Yakov Stepanovich Iskra of the Kopacz coat of arms,[https://dic.academic.ru/dic.nsf/brokgauz_efron/46291/%D0%98%D1%81%D0%BA%D1%80%D0%B0 Искра дворянский род] accessed [2024-07-19] also known as Ostrzanin or Ostranica (uk. Яків Остряниця, d. 6 May 1641), was a Cossack hetman and leader of the Ostryanyn uprising. He was descended from the noble family of Iskra of Ostera.
Biography
The first references to him relate to his participation in the Polish-Russian war in 1633, where he served as a colonel of the Registered Cossacks.OSTRIANIN (OSTRIANITSA) Yakov // Firov PT Hetmans of the Ukrainian Cossacks. Biographical information - Sevastopol: Publishing house of SevNTU. 2005. - 64 p. Date of access: December 30, 2007. Archived December 24, 2010. In 1638 he was elected hetman of the non-registered Cossacks and in the same year initiated an uprising against the Polish–Lithuanian Commonwealth. After losing the Battle of Zhovnyn, he fled to the Russian Empire, where he settled.Romuald Romański (January 2009). Książę Jeremi Wiśniowiecki. Bellona. pp. 256–259. {{ISBN|978-83-11-11524-8}}. In Chuguev, the settlers under the command of Ostryanin participated in the fight against the Tatars, who were raiding the southern borders of the Russian state.Ostryanin // Great Soviet Encyclopedia : [in 30 volumes] / ch. ed. A. M. Prokhorov . — 3rd ed. - M.: Soviet Encyclopedia, 1969-1978. Great Soviet Encyclopedia - M.: Soviet Encyclopedia. 1969-1978. Yakov died on 6 May 1641, killed by Cossacks during a riot caused by conflicts between privates and Cossacks starshyna.проф. Д. Багалей, Д. Миллер. Том первый (XVII-XVIII вв.) // История города Харькова за 250 лет его существования (с 1655-го по 1905-й год). Историческая монография / Паровая типография и литография М.Зильберберг и С-вья. — 1-е изд. — Х.: Издательство Харьковскаго городского общественнаго управления,(in Russian) 1905. — Т. 1. — 568 с. — 11 000 (1993) экз
