Happy Birthday Dad!

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Across
  1. 1. How many daughters you have in Roman numerals (2)
  2. 5. The birthday signalling adulthood (10)
  3. 7. First name of J. K. Rowling's pseudonym (6)
  4. 8. Your name, for me (3)
  5. 9. Name of Pharrel William's hit (5)
  6. 10. Your name spelled incorrectly (3)
  7. 11. The month of Nadia's birth (4)
  8. 13. Surname for Gandalf's actor in Lord of the Rings (8)
Down
  1. 1. Theatre director's surname, when said aloud it means disgust (4)
  2. 2. The name of Maya's favourite king (5)
  3. 3. The day is it today, that for you is only once a year (8)
  4. 4. The greatest playwright (11)
  5. 6. Synonym for a scaredy-cat (6)
  6. 12. "Christmas" in French (4)