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Chortkov (also Chortkov, Tshortkov, Czortkow) is a Hasidic dynasty that originated in Chortkiv (Polish: Czortków), present-day Ukraine. The town was part of the Tarnopol Voivodeship of the Second Polish Republic until September 1939. The town itself was founded in 1522 by Polish King Sigismund I the Old. The dynasty had a large following before the Second World War, but most of its adherents were murdered in the Holocaust.
Chortkov is one of the branches of the Ruzhiner dynasty, together with the Bohush, Boyan, Husiatyn, Sadigura, Kapishnitz, Vasloi, and Shtefanesht dynasties.