Lordship in the Po plain in northern Italy, northwest of Modena.
Members of the family served as podestàs in several Italian cities in the 13th century and were at times lords of Parma and Guastalla in the 14th century.
Manfredo I became a Count in 1452. His descendant, Count Sico, was elevated to the rank of Prince of the Empire in 1616 but deposed by the Emperor Ferdinand II in 1631.
Correggio was sold to Modena in 1635.