Hedwig of Brzeg, Duchess of Oświęcim Duchess consort of Oświęcim Parents Agnes of Głogów-Żagań Louis I of Brzeg Children Anna of Oświęcim Katharina of Oświęcim Jan III of Oświęcim Siblings Margaret of Brieg Catherine of Brzeg Henry VII of Brzeg Partners Jan II of Oświęcim