Born of an extramarital affair between Renato Zampa (brother of film director Luigi Zampa) and Yolanda Curcio, Curcio was born at Monterotondo, in the province of Rome.
Frassine is about 68 km from Grosseto and 10 km from Monterotondo Marittimo, and it is situated along the Provincial Road which links Monterotondo with Suvereto and Campiglia Marittima.