Jadwiga (died 29 December 1249) was by marriage Duchess consort of Greater Poland.
Among the possible origins for Jadwiga include: After Władysław Odonic was expelled from Poland by his uncle Władysław III Spindleshanks, he spent some time in Hungary, Bohemia and Germany before he arrived to the court of Swantopolk II, Duke of Pomerania around 1218.
1218–1220), an act that reaffirmed the close blood relationship between Jadwiga and the Pomeranian ruler.
With the support of Swantopolk II, Władysław began the conquest of Greater Poland, which he completed in 1229.
Sources also include a short-lived son, Ziemomysł,[6] and a daughter, Jadwiga, first wife of Duke Casimir I of Kuyavia.