Princes of Santobuono Principi di Santobuono First holder Giovanni Antonio II Caracciolo, 4th marquess of Bucchianico, 1st príncipe di Santobuono Records #2 Holders Family filter On/Off 1 Giovanni Antonio II Caracciolo, 4th marquess of Bucchianico, 1st príncipe di Santobuono 2 Marino IV Caracciolo, 2nd prince of Santobuono Corrections and Updates To suggest a correction or an update. Click Here