bn:01899021n
Noun Named Entity
Categories: 1250 births, House of Piast, Polish Roman Catholics, Dukes of Masovia, 1294 deaths
EN
Konrad II of Masovia  Konrad II of Czersk
EN
Konrad II of Czersk, was a Polish prince member of the House of Piast, Duke of Masovia during 1264-1275 jointly with his brother, since 1275 sole ruler over Czersk and Duke of Sandomierz during 1289. Wikipedia
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EN
Konrad II of Czersk, was a Polish prince member of the House of Piast, Duke of Masovia during 1264-1275 jointly with his brother, since 1275 sole ruler over Czersk and Duke of Sandomierz during 1289. Wikipedia
Polish duke Wikidata
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