Category:Janusz III, Duke of Masovia

**Janusz III of Masovia**
	Polish duke
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Date of birth	1502 (statement with Gregorian date earlier than 1584), 1502
Date of death	10 March 1526 (statement with Gregorian date earlier than 1584)
Place of burial	St. John's Archcathedral;
Country of citizenship	Kingdom of Poland;
Occupation	aristocrat;
Noble title	duke;
Family	Piast dynasty;
Father	Konrad III Rudy;
Mother	Anna Radziwiłł;
Sibling	Stanislaus I of Masovia; Sophia of Masovia; Anna of Masovia;
Authority file
	Q1378676; VIAF ID: 40151776733918010493; PLWABN ID: 9810620754205606
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