He was a brother of Duke Leo II of Gaeta .
He was probably a son of Docibilis magnificus , who in turn was probably a son of Landolf , son of Gregory , Duke of Gaeta , and Landolf 's mistress Polyssena ( Pulessene ) .
son was a son of Duke Leo II of Gaeta .
He was probably a son of Docibilis magnificus , who in turn was probably a son of Landolf , son of Gregory , Duke of Gaeta , and Landolf 's mistress Polyssena ( Pulessene ) .