Super Dooper Puzzle

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Across
  1. 4. The real surname of Peter
  2. 6. Anne's sister
  3. 11. Peter's cat
  4. 13. She is married to Jan
  5. 14. Anne has difficulty loving them
  6. 17. Peter's mother
  7. 18. The surname of mean dentist
  8. 19. Everyone in the Annexe is one
  9. 20. Anne's surname
  10. 21. The month that Anne went into hiding
Down
  1. 1. Anne's birthday
  2. 2. Always talking and being noisy
  3. 3. Miep's surname
  4. 5. They are addressed to kitty
  5. 7. The type of money the have in Amsterdam
  6. 8. Is admired by Anne
  7. 9. Anne's cat from home
  8. 10. Her surname is Voskuijl
  9. 12. The age that Anne died
  10. 15. Anne's "boyfriend"
  11. 16. His stomach bleeds
  12. 18. The thing that Anne puts everything in