Przemysł of Inowrocław, was a Polish prince member of the House of Piast, Duke of Inowrocław during 1287-1314, since 1300 vassal of King Wenceslaus II of Bohemia, Duke of Dobrzyń during 1303-1305, since 1306 vassal of the Kingdom of Poland, Governor of the Duchy of Pomerelia during 1306-1309, since 1314 ruler over Bydgoszcz and Wyszogród, Duke of Inowrocław since 1320/24, in 1327 he exchange Inowrocław for Sieradz. Wikipedia