Category:Boleslaus II, Duke of Masovia

**Bolesław II of Masovia**
	Duke of Masovia Sceau de Boleslas II de Mazovie
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Date of birth	1251
Date of death	20 April 1313, 1313
Place of burial	Płock Cathedral;
Noble title	duke;
Family	Piast dynasty;
Father	Siemowit I of Masovia;
Mother	Pereiaslawa of Galicia;
Sibling	Konrad II of Masovia;
Child	Siemowit II of Masovia; Trojden I, Duke of Masovia; Wenceslaus of Płock; Euphrosyne of Masovia;
Spouse	Gaudemunda of Lithuania; Kunigunde of Bohemia (1291–);
Authority file
	Q2663972;
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