Przemysł I (1220/21 — June 4, 1257), was a duke of Greater Poland (the provinces of Poznań, Kalisz, and Gniezno).

He was born to Ladislaus Odonic Plwacz , duke of Greater Poland, and Jadwiga of Pomerania , daughter of Mestwin I, duke of Eastern Pomerania.

Born: 1220 or 1221
Realm of power:
1239-1247 Duke of Greater Poland, together with his brother Boleslaus the Pious
1247-1249 Duke of Poznań and Gniezno
1249-1250 Duke of Poznań and Kalisz
1250-1253 Duke of Greater Poland (Poznań, Gniezno and Kalisz)
1253-1257 Duke of Poznań
Died 4 June 1257

Maried to Elisabeth of Silesia , daughter of Henry II the Pious, duke of Silesia;
Children: Przemysł II

See also

• Piast dynasty
• List of Polish rulers,
• Dukes of Greater Poland
• History of Poland
• Premysl - founder of the Bohemian dukes and kings dynasty
• Przemysł II of Poland - duke of Greater Poland, Cracow and Pomerania, King of Poland (1295)
• Przemyśl - a city in SE Poland, probably established by an unknown dukie called Przemysł