Yolanda of Poland [SEP] mother
Yolanda of Poland
Blessed Yolanda of Poland (also known as Helen; 1235 – 11 June 1298) was the daughter of King Béla IV of Hungary and Maria Laskarina. She was the sister of Saint Margaret of Hungary and Saint Kinga (Cunegunda). One of her paternal aunts was the great Franciscan saint, Elizabeth of Hungary. 
Life.
As a young girl, Yolanda was sent to Poland to be tutored under the supervision of her sister, Kinga, who was married to the Duke of Poland. There
Jadwiga of Kalisz
Jadwiga of Kalisz (Polish: "Jadwiga Bolesławówna"; 1266 – 10 December 1339) was a Queen of Poland by marriage to Władysław I the Elbow-high. She was the mother of the last Piast King of Poland, Casimir III.
She was the second of three daughters born to Bolesław the Pious and Saint Yolanda of Hungary. In 1293, Jadwiga married Władysław I the Elbow-high. 
Life.
Jadwiga's husband, Władysław I the Elbow-high, was a bitter