Roman emperor who adopted Trajan as his son and successor

Let's find possible answers to "Roman emperor who adopted Trajan as his son and successor" crossword clue. First of all, we will look for a few extra hints for this entry: Roman emperor who adopted Trajan as his son and successor. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.