Dukes of Silesia-Teschen Herzöge von Schlesien-Teschen Records #7 Holders Family filter On/Off Boleslaw I, duke of Silesia-Teschen Boleslaw II, duke of Silesia-Teschen Kasimir II, duke of Silesia-Teschen Kasimir III, duke of Silesia-Teschen Mieczislaw III, duke of Silesia-Teschen Premislaw I, duke of Silesia-Teschen Wenzel II, duke of Silesia-Teschen * 1488 Corrections and Updates To suggest a correction or an update. Click Here