The Elliots

Choose the most appropriate Saxon genitive for each gap.
   Anne's      Charles's      Elizabeth's      father's      Mary's      sisters'   
Sir Walter has got three daughters: Mary, Anne and Elizabeth. Mary is married to Charles. So, she is his wife and her sisters are sisters-in-law. sons are her nephews and her grandsons.
When Anne marries Captain Wentworth, he becomes husband and both and brother-in-law.