Agostina della Gherardesca
Agostina della Gherardesca (born 1299) was an Italian noblewoman of the powerful Pisan della Gherardesca family. She married Guido Orsini, the first count of Pitigliano, and bore him six children, among them Aldobrandino, who inherited the county of Sovana, and Gentile Orsini.