Rubuta ci gaba don wannan sakin layi - Kamar yadda yake a waje da Ganuwar Aurelian, an lalata basilica a karni na 9 a lokacin farmakin Saracens. Sakamakon haka, Paparoma John VIII (872 <unk> 82) ya ƙarfafa basilica, gidan sufi, da gidajen manoma, yana samar da garin Johannispolis (Italiyanci: "Giovannipoli") wanda ya wanzu har zuwa 1348, lokacin da girgizar ƙasa
gaba ɗaya ya hallaka shi.