Fill in the correct nouns in the possessive case.

Here are the answers to the fill-in-the-blank questions based on the provided family tree:

1. John is Anna's uncle.
2. Tina is John's niece.
3. Anna and Tony are Peter, Kate, John and Cindy's grandparents.
4. Peter is Kate's husband.
5. Cindy is John's wife.
6. Dan is Paul's brother.
7. Tina is Kate's cousin.
8. Kate is Anna's sister.
9. Paul and Dan are Kate and Peter's nephews.
10. Kate is John and Cindy's aunt.
11. Paul, Dan and Tina are Anna and Tony's grandchildren.
12. John and Cindy are Tina's parents.
13. Tina is John's granddaughter.
14. John is Cindy's son.
15. Anna is Kate's and John's mother.