Portrait of Queen Anna Jagiellon as a widow. By Martin Kober, 1586. Anna Jagiellon was queen of Poland from 1575 to 1586. She was the daughter of Poland's King Sigismund I the Old, and the wife of Stephen Báthory. She was elected, along with her then fiancé, Báthory, as co-ruler in the second election of the Polish-Lithuanian Commonwealth. Anna was the last member of the Jagiellon dynasty. She died in 1596 at 72 years of age in Warsaw, Poland.