Gaetani dell'Aquila d'Aragona, princes of Piedimonte, and dukes of Laurenzana, founded by Onorato Gaetani dell'Aquila, count of Fondi, Traetto, Alife and Morcone, lord of Piedimonte and Gioia, in 1454.
The Umberto Primo Society was a mutual aid society founded in Toronto, Canada in 1888 by Italian immigrants, most of whom were natives of Laurenzana and Genoa.