Princes of Avella Principi di Avella First holder Carlo I Doria, 1st duke of Tursi Records #3 Holders Family filter On/Off 1 Carlo I Doria, 1st duke of Tursi 7 Fabrizio Colonna, 1st prince of Sonnino Prospero Colonna, prince of Avella Corrections and Updates To suggest a correction or an update. Click Here