Henry Probus (Latin for the Righteous; Polish: Henryk IV Probus or Prawy; German: Heinrich IV. der Gerechte; c. 1258 – 23 June 1290) was a member of the

Konrad II of Masovia

another candidates for the throne: Henryk IV Probus and his own brother Bolesław II. Despite this, Konrad II didn't give up, and in 1289 (when the balance

Konrad II the Hunchback

events, Konrad was sent to Bologna, Italy to study in order to take important ecclesiastical posts in the future. During his absence, Henry IV Probus ruled

Henry III, Duke of Głogów

40 years old), and the hostility between him and Henry IV Probus. T. Jurek: Henryk Probus a..., pp. 556–557. T. Jurek: Plany koronacyjne Henryka Probusa

Bolesław II of Masovia

with his father and older brother Konrad II during the siege and battle of Jazdów, where Siemowit I was killed and Konrad II was captured by the Lithuanians

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Henry Probus