and origins of Przemysław's wife are unknown. They had one son: Casimir I (b. 1396 – d. 7 April 1434). After the death of Przemysław, half of Głogów and Ścinawa returned to his father and Oświęcim was given to his minor son Casimir I, who remained under the successive regencies of his grandfather and uncle until 1414, when he was able to rule by himself. Ancestry Footnotes References Genealogy of the Dukes of Cieszyn |- |- 1360s births 1406 deaths