Question: Anna Jagiellon, was Queen of Poland and Grand Duchess of Lithuania in her own right from 1575 to 1586, she was a daughter of Polish King Sigismund I the Old and his Italian wife, which member of the powerful House of Sforza, which ruled the Duchy of Milan since 1447?
Sentence (from "Anna Jagiellon"): Instead, she promoted her nephew Sigismund III Vasa, establishing House of Vasa on the Polish–Lithuanian throne for the next eighty years (1587–1668).
Relevant evidence: No