Tags: Noble.
Bolesław the Pious (Polish: Bolesław Pobożny) (1224/27 – 14 April 1279) was a Duke of Greater Poland during 1239–1247 (according to some historians during 1239–1241 sole Duke of Ujście) Duke of Kalisz during 1247–1249 Duke of Gniezno during 1249–1250 Duke of Gniezno-Kalisz during 1253–1257 Duke of whole Greater Poland and Poznań during 1257–1273 in 1261 ruler over Ląd regent of the Duchies of Masovia Płock and Czersk during 1262–1264 ruler over Bydgoszcz during 1268–1273 Duke of Inowrocław during 1271–1273 and Duke of Gniezno-Kalisz since 1273 until his death.He was the second son of Władysław Odonic Duke of Greater Poland by his wife Hedwig who was probably daughter of Duke Mestwin I of Pomerania or a member of the Premyslid dynasty.