sentences:  Originally, the site housed a paleo-christian church, putatively erected at the site of an Ancient Roman temple dedicated to Vulcan.Supposedly the then Bishop of Naples, later St Severus of Naples (died 409), transferred the venerated relics of St Januarius, to a church of San Gennaro extra Moenia (San Gennaro outside the walls) located on the northernmost corner of the complex.Over the following centuries, these relics were divided and moved till they were putatively collected in the Cathedral of San Gennaro in central Naples.