Bernard of Niemodlin, was a Duke of Strzelce and Niemodlin during 1382–1400, Duke of Opole during 1396–1400, from 1400 until 1450 sole ruler over Strzelce and Niemodlin, from 1401 ruler over Olesno and Lubliniec, from 1420 ruler over Prudnik and in 1424 ruler over Głogówek, during 1434–1450 ruler over Kluczbork and Byczyna and from 1450 ruler over only Olesno. Wikipedia