How much more do you know about Margie Moore?

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Across
  1. 4. one of her cattle dogs.
  2. 6. she went to boarding school in T--w--m-a.
  3. 9. Margie makes great ----- caramel.
  4. 10. the name of one of her sisters.
  5. 11. she is a speech -----------.
  6. 13. her academic title.
  7. 15. she loves listening to ------ Khan.
  8. 18. loves the occasional --- and coke.
  9. 19. She is the ------ in her family.
  10. 21. one of her more unusual past pets
Down
  1. 1. ------ Valley, her property's name.
  2. 2. She has two s------
  3. 3. her donkey.
  4. 5. Her mother's maiden name.
  5. 7. Margie lives in ?
  6. 8. her mother's first name.
  7. 12. is very interested in s--I--.
  8. 14. she lived here (Northern Hemisphere)
  9. 16. she has a PHD IN ?
  10. 17. her pet gander
  11. 20. one of her favourite poets.