Category:John I, Duke of Oświęcim

**Jan I the Scholastic**
	Duke of Oświęcim
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Date of birth	14th century
Date of death	29 September 1372
Place of burial	Oświęcim;
Occupation	aristocrat;
Noble title	Duke of Oświęcim;
Family	Q12056303; Silesian Piasts;
Father	Władysław of Oświęcim;
Mother	Euphrosyne of Masovia;
Sibling	Anna of Oświęcim;
Child	Jan II of Oświęcim;
Authority file
	Q672233;
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