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.
Anna of Mecklenburg Anna of Mecklenburg (14 October 15334 July 1602), was a Duchess consort of Courland. She was the daughter of Albrecht VII, Duke of Mecklenburg and Anna of Brandenburg. Anna is the first woman in Livonia, whose life story is entirely historically confirmed.