Konstanty Wasyl Ostrogski

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For the father of Konstanty Wasyl, see Konstanty Ostrogski.
Konstanty Wasyl Ostrogski
Danckers de Rij Władysław Zasławski-Ostrogski.png
Coat of arms Ostrogski
Spouse(s) Zofia Tarnowska
Noble family Ostrogski
Father Konstanty Ostrogski
Mother Aleksandra Słucka
Born (1526-02-02)2 February 1526
Ostróg, Polish-Lithuanian Commonwealth
Died 23 or 13 February 1608(1608-02-13) (aged 82)
Ostróg, Polish-Lithuanian Commonwealth

Konstanty Wasyl Ostrogski (2 February 1526 – 13 or 23 February 1608, Ukrainian: Костянтин-Василь Острозький, Belarusian: Канстантын Васiль Астрожскi, Lithuanian: Konstantinas Vasilijus Ostrogiškis) was a magnate of the Polish-Lithuanian Commonwealth, a Ruthenian (Ukrainian) prince, starost of Volodymyr-Volynskyi, marshal of Volhynia and voivode of the Kiev Voivodeship. Ostrogski refused to help False Dmitriy I and supported Jan Zamoyski.

In the 1570s he waged a war against another magnate, Stanisław Tarnowski, about disputed possession of estates in the area of Tarnów, in Lesser Poland.

Prince Ostrogski was of Eastern Orthodox faith and he was active in supporting the Orthodox Church (see Union of Brest). He was also a promoter of Eastern Christian culture in the Polish–Lithuanian Commonwealth. In 1576 he established the Ostroh Academy, a regarded humanist educational and scholarship institution, with the instruction in Greek, Latin and Old Church Slavonic languages. In 1581 the Academy produced and published the Ostrog Bible, the first complete printed edition of the Bible in Old Church Slavonic.[1]

Ostrogski's huge latifundium, or landed estate in the eastern Polish–Lithuanian Commonwealth, consisted of 100 towns and 1300 villages.[2] It was Ostrogski who built Starokostiantyniv Castle.

While Konstanty Wasyl Ostrogski was the proponent of the Eastern Orthodox religion, his son Janusz Ostrogski converted to Roman Catholicism.

He got married on January 1553 in Tarnów.

See also[edit]


  1. ^ A Concise History of Poland, by Jerzy Lukowski and Hubert Zawadzki. Cambridge: Cambridge University Press, 2nd edition 2006, ISBN 0-521-61857-6, p. 86-87
  2. ^ Józef Andrzej Gierowski - Historia Polski 1505-1764 (History of Poland 1505-1764), p. 193, Państwowe Wydawnictwo Naukowe (Polish Scientific Publishers PWN), Warszawa 1986, ISBN 83-01-03732-6

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