Category:Boleslaus I, Duke of Bohemia

**Boleslaus I, Duke of Bohemia**
	Duke of Bohemia from 935 to 972 Malba Boleslava I. ve znojemské rotundě.
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Name in native language	Boleslav I. Ukrutný;
Date of birth	915 (statement with Gregorian date earlier than 1584), c. 908; Bohemia
Date of death	15 July 972 (disputed); Czech Republic
Position held	Duke of Bohemia (935–972);
Noble title	Duke of Bohemia; duke;
Family	Přemyslid dynasty;
Father	Vratislaus I, Duke of Bohemia;
Mother	Drahomíra;
Sibling	Saint Wenceslaus I, Duke of Bohemia; Spytihněv;
Child	Doubravka of Bohemia; Boleslaus II, Duke of Bohemia; Strachkvas; Mlada; Vok (hypothetically); Vladivoj, Duke of Bohemia (hypothetically); Střezislava (hypothetically);
Spouse	Biagota;
Authority file
	Q360112; VIAF ID: 57464014, 84044264; GND ID: 121190293; NL CR AUT ID: jn20000728058
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