Ercole II d'Este was Duke of Ferrara, Modena and Reggio from 1534 to 1559. He was the eldest son of Alfonso I d'Este and Lucrezia Borgia.
Portrait by Niccolò dell'Abbate
Duke of Ferrara and of Modena
This is a list of rulers of the estates owned by the Este family, which main line of Marquesses rose in 1039 with Albert Azzo II, Margrave of Milan. The name "Este" is related to the city where the family came from, Este.
Francis V, Duke of Modena
Image: Alberto Azzo II d'Este
Image: Folco I d'Este
Image: Azzo VI d'Este 2