1) Cappella Sistina honoree 2) Data input-output 3) Divine being, to Dante 4) Divine one, to da Vinci 5) Divine one, to dante 6) Genovese god 7) Giovanni s god 8) God in Italian 9) God in Rome 10) God in the Vatican 11) God to giovanni 12) God, to a doge 13) God, to da Vinci 14) God, to galileo 15) God, to giorgio Found on https://www.crosswordclues.com/clue/dio