 In a meeting in Kassa, Queen Elizabeth promised the delegates of the Polish provinces to send Jadwiga to Poland before November.The queen mother and the Poles also agreed that if either Jadwiga or Mary died childless, her kingdom would pass to her surviving sister.Siemowit having laid siege to Kalisz, Queen Elizabeth sent Sigismund of Luxemburg at the head of an "improvised army" to Lesser Poland.