Bolesław the Pious, Duke of Greater Poland (born 1224)

Bolesław the Pious

Duke of Greater Poland from 1239 to 1247

Bolesław the Pious was a Duke of Greater Poland during 1239–1247, Duke of Kalisz during 1247–1249, Duke of Gniezno during 1249–1250, Duke of Gniezno-Kalisz during 1253–1257, Duke of the whole of Greater Poland and Poznań during 1257–1273, in 1261 ruler over Ląd, regent of the…