Jadwiga of Kalisz
Jadwiga of Kalisz (1266 – 10 December 1339) was the daughter of Bolesław the Pious, duke of Greater Poland, and Yolanda of Hungary. In 1293 she married Władysław Łokietek, then fighting Wenceslaus II of Bohemia for control of Poland, and in 1300 she fled into hiding with her children.
She was crowned queen beside Władysław in Kraków in 1320 and took an active part in politics. Mother of Casimir III, she governed Stary Sącz as regent from 1334 and died in 1339.