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Jan I of Racibórz

John I, Duke of Opava-Ratibor
Spouse(s) Anna of Głogów-Żagań
Father Nicholas II, Duke of Opava
Mother Anna of Ratiboř
Born c.  1322
Died c.  1380–1382

John I of Opava-Ratibor (Czech: Jan I. Ratibořský; German: Johann I. von Troppau-Ratibor; c. 1322c. 1380-1382) was the founder the Opava branch of the Bohemian Přemyslid dynasty, which lasted until 1521. In 1365, he became the sole heir of the Duchy of Racibórz. From 1367 to 1377 he ruled the Duchy of Opava (German: Troppau) jointly with his brothers, Nicholas III, Wenceslaus I and Przemko I. From 1377 until his death, he was also Duke of Krnov and Bruntál.

His parents were Nicholas II of Opava and Anna of Racibórz, a sister of Leszek of Racibórz, the last Duke of Racibórz from the Silesian Piast family. Leszek died in 1336 without heirs, causing Ratiboř to revert to the Crown. King John of Bohemia then enfeoffed Leszek's brother-in-law, Nicholas II, who was John I's father. Since John I was the only son of Nicholas II from his first marriage with Anna, John I was the sole heir of Racibórz. At the same time, he and his younger half-brother Nicholas III became guardians of Nicholas III's younger brothers Wenceslaus I and Přemysl. After disputes about the inheritance, Opava was divided in 1367 among the four brothers. In 1377, a new division was made, in which John I kept Racibórz, but also received the duchies of Krnov and Bruntál. The Duchy of Głubczyce was split off for Nicholas III; Wenceslaus I and Přemysl received the rest of Opava. When Wenceslaus died in 1381, Přemysl inherited Wenceslaus's share. When Nicholas III died in 1394, Přemysl inherited Głubczyce as well.


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