bn:01854550n
Noun Named Entity
Categories: Dukes of Masovia, 13th-century Polish people, Polish Roman Catholics, 14th-century Polish people, 13th-century Polish monarchs
EN
Bolesław II of Masovia  Boleslaus II of Masovia  Boleslaw II of Masovia  Boleslaw II of Mazovia , Duke of Mazovia
EN
Bolesław II of Masovia or Bolesław II of Płock, was a Polish prince member of the House of Piast, Duke of Masovia during 1262-1275 jointly with his brother, since 1275 sole ruler over Płock, since 1294 ruler over all Masovia and Duke of Kraków and Sandomierz during 1288-1289. Wikipedia
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EN
Bolesław II of Masovia or Bolesław II of Płock, was a Polish prince member of the House of Piast, Duke of Masovia during 1262-1275 jointly with his brother, since 1275 sole ruler over Płock, since 1294 ruler over all Masovia and Duke of Kraków and Sandomierz during 1288-1289. Wikipedia
Duke of Masovia Wikidata