bn:00704685n
Noun Named Entity
Categories: 1496 deaths, House of Piast, All articles lacking reliable references, Dukes of Silesia, Polish Roman Catholics
EN
Jan IV of Oświęcim  Jan IV Gliwicki  Jan IV of Gliwice  Jan IV of Oswiecim  Jan IV Oswiecimski
EN
Jan IV of Oświęcim, was a Duke of Oświęcim during 1434–1456 and Duke of Gliwice from 1465 to 1482. Wikipedia
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