 chairman and senator of the Italian Republic Umberto Agnelli, CEO of Fiat from 1970 to 1976, and Donna Allegra Caracciolo di Castagneto, first cousin of Marella Agnelli, born Donna Marella Caracciolo di Castagneto and daughter of Filippo Caracciolo, 8th Prince di Castagneto, 3rd Duke di Melito, and a hereditary Patrician of Naples (1903–1965).Marella, widow of Agnelli's uncle Gianni, and Allegra and, therefore, Andrea, are both members of an old Neapolitan noble family that hold the titles of Prince of Castagneto and Duke of Melito, among others.Andrea was the last male member of the family to carry the Agnelli surname until the birth of his son Giacomo.