View source for Przemysaw of Toszek

Przemysław of Toszek (1425–1484) was a Duke of Oświęcim from 1434 to 1445, ruling alongside his brothers, and later became Duke of Toszek until his death. He was the second son of Duke Casimir I of Oświęcim and Anna, daughter of Henry VIII of Żagań. After their father's death in 1434, Przemysław and his younger brother Jan IV were under the care of their older brother Wenceslaus I, who pressured them to pay homage to Poland as adults. In 1445, the Duchy was formally divided, with Przemysław receiving Toszek. His early rule was marked by conflicts with the Bishop of Kraków over Siewierz. In 1450, he attacked the bishop's castle in Siewierz. Later, Przemysław supported his brother Jan IV in resisting Polish King Casimir IV but ultimately agreed to a peace treaty in Gliwice in 1453. Despite this, conflicts resumed, and another agreement was reached at Bytom in 1458. In 1471, Przemysław supported Władysław Jagiellon's candidacy for the Bohemian throne, angering Matthias Corvinus of Hungary. He received a guarantee of his governance from Bohemia in 1479 but was required to pay homage. Przemysław died in December 1484 at his castle in Toszek and was buried in the local church of St. Peter. Przemysław married Margareta (née Machna), daughter of Duke Nicholas I of Opole, on 23 February 1463. They had one daughter, Margareta (b. 1467/68–d. 8 November 1531), who became Abbess of St. Klara in Wrocław. After Przemysław's death without male heirs, the Duchy of Toszek passed to his brother ...