Complex sentence: In late antiquity, the Christian conception of Hell was most likely influenced by some of the imagery of the Duat, and the biblical records of Jesus and Mary may have been influenced by that of Isis and Orisis.
Split into simpler sentences: In late antiquity, the Christian conception of Hell was most likely influenced by some of the imagery of the Duat. Biblical accounts of Jesus and Mary may have been influenced by that of Isis and Orisis.