Son of Pierina Fumel and Rodolfo De benedetti, younger brother of Franco. Father of Rodolfo, Edoardo and Marco De Benedetti. Father-in-law of Emmanuelle de Villepin (Rodolfo's wife), Ilgi Suna Erel 'Stephanie' (Edoardo's wife) and
Paola Ferrari (Marco's Wife). Grandfather of Alessandro and Virginia (Marco's children) and (Edoardo's daughters). Stepfather of Una and Leonardo Dalle Rose (Silvia's children).