Anna Miełżyńska was the great-grandmother of which Queen consort of the Polish-Lithuanian Commonwealth?
Anna Miełżyńska Anna Miełżyńska (about 1600-after 1640) of the Nowina clan was a Polish noble lady, the wife of Remigian Zaleski, Castellan of Łęczyca and the mother of Teresa Zaleska, who was the grandmother of Catherine Opalińska, the Queen consort of King Stanislaus Leszczynski of Poland. Her father was Łukasz Miełżyński (about 1560-1628), who was the Castellan of Gniezno (he is referred in some sources as Count). Her mother was Elżbieta Czacka (about 1575-after 1612).
Anna of Cilli Anna of Cilli or Anne of Celje (  1381 – 21 May 1416) was Queen consort of Poland (1402–1416). She was the second wife of Jogaila (Władysław II Jagiełło), King of Poland and Supreme Duke of Lithuania (reigned 1387–1434). Their marriage was politically motivated to strengthen Jogaila's ties with the Piast dynasty and his claims to the Polish throne. Their marriage was rather distant and during fourteen years Anna bore only one daughter, Hedwig Jagiellon, who died without issue.