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Casimir of Bytom

Casimir of Bytom (1253/1257–1312) was a Silesian Piast, the second son of Duke Władysław of Opole-Racibórz. After their father's death in 1282 he ruled Opole jointly with his brother Bolko I until 1284, when he took Bytom, Koźle and other lands and founded the Bytom line of the Piasts.

In January 1289 he became the first Silesian duke to pay homage at Prague to King Wenceslaus II of Bohemia. In 1306 he married his daughter Maria to Charles Robert of Hungary, and he died on 10 March 1312.

References

  1. en.wikipedia.org/wiki/Casimir_of_Bytom
  2. zh.wikipedia.org/wiki/比托姆的卡齊米日