Daughter of Saint Hedwig of Silesia and Duke Henry I. Engaged to the Count Palatine Otto of Wittelsbach, but he died before the wedding. Cistercian nun and then abbess in Trzebnica, Poland.
- December 1268 in Trzebnica, Poland of natural causes
- “Blessed Gertrude of Trzebnica“. CatholicSaints.Info. 16 March 2013. Web. 6 October 2015. <>