Bona Sforza

Portrait of Bona Sforza made by Lucas Cranch the younger

Image of Bona in 1517

Bona Sforza d'Aragona (2 February 1494 – 19 November 1557) was Queen of Poland and Grand Duchess of Lithuania by marriage to Sigismund the Old. She was born in Vigevano as the third oldest child of Gian Geleazzo Sforza and Isabella of Naples.