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Henryk IV Probus

High Duke of Poland
Years: 1258 - 1290

Henryk IV Probus (Latin for the Righteous) (Polish: Henryk IV Probus or Prawy; German: Heinrich IV.

der Gerechte) (c. 1258 – 23 June 1290) is a member of the Silesian branch of the royal Polish Piast dynasty.

He is Duke of Silesia at Wrocław from 1266, and from also 1288 High Duke of the Polish Seniorate Province of Kraków until his death in 1290.