Crossword clues for the word: LEOIV The word LEOIV has appeared as an answer to at least 12 crossword clues on different crossword puzzles. Crossword clues for LEOIV Showing 1 to 12 of 12 results Clue(s) A Byzantine emperor Benedict III's predecessor Mid-ninth century pope Ninth-century pope Ninth-century Vatican head Pope 847-855 Pope after Sergius II Pope before Benedict III Pope during the Battle of Ostia Pope who saved Rome from the Saracens. Sainted ninth-century pope Vatican head: 847-855