House of Sforza
Bona Sforza d’Aragona (2 February 1494 – 19 November 1557) was Queen of Poland and Grand Duchess of Lithuania as the second wife of Sigismund I the Old, and Duchess of Bari and Rossano by her own right. She was a surviving member of the powerful House of Sforza, which ruled the Duchy of Milan since 1447.