Anna Miełżyńska was the great-grandmother of which Queen consort of the Polish-Lithuanian Commonwealth?
Catherine Opalińska Catherine Opalińska (Polish: "Katarzyna Opalińska" ; 13 October 1680 – 19 March 1747) was Queen consort of the Polish-Lithuanian Commonwealth twice and Duchess consort of Lorraine through her marriage with Stanisław I of Poland.
Hedwig of Kalisz Hedwig of Kalisz (Polish: "Jadwiga Bolesławówna"; 1266 – 10 December 1339) 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, becoming Queen of Poland. She was the mother of the last Piast King of Poland, Casimir III.