The House of Cybo, Cibo or Cibei of Italy was an old and influential aristocratic family from Genoa of Greek origin that ruled the Duchy of Massa and Carrara.
The Cybo married with the most famous Italian families including Medici of Tuscany, Della Rovere of Urbino and Este of Modena and had a blood relationship with the banking family Altoviti.
Innocent VIII was the uncle of La Papessa Dianora Cybo Altoviti.
Her son Bindo Altoviti was one of the most influential bankers and patron of the arts of the Renaissance as well as a close ally of his cousin Cardinal Innocenzo Cybo.
His son Lorenzo Cybo, married Ricciarda Malaspina and became co-ruling marquis of Massa and Carrara, founding the Cybo-Malaspina branch, later elevated to the dukes of Massa and Carrara.