Paolo [Vth] de Sangro, 2º príncipe di Castelfranco (1746-1815)?
http://books.google.com/books?id=uU02AAAAMAAJ&pg=PA18
http://books.google.com/books?id=WPFAAAAAYAAJ&pg=PA424
http://books.google.com/books?id=CNZnAAAAMAAJ&pg=PA120