William the Conqueror was duke of this French fiefdom

Let's find possible answers to "William the Conqueror was duke of this French fiefdom" crossword clue. First of all, we will look for a few extra hints for this entry: William the Conqueror was duke of this French fiefdom. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.