Gogs!

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Across
  1. 2. South African author is in Eastern Europe (6)
  2. 5. Starting just no going back, no relation (4).
  3. 6. All Alan’s good for at Christmas (8)
  4. 8. Cross this game when you come to it. (6)
  5. 9. Sunrise in the family (4)
  6. 13. Find a relation in solving a puzzle (4).
  7. 15. One of 5 Ms. (6)
  8. 16. Your birthplace, but younger than you. (6).
  9. 17. There’s a hero buried in there (3).
  10. 19. Messy naked’s a scandal. (6)
  11. 20. Family member is opposite without my mirror (5).
  12. 21. First name of cricket in Pinocchio (6).
Down
  1. 1. Rejoice! Vegetarians don’t like this tennis player. (7)
  2. 3. High school for the Bremners (5)
  3. 4. Italian town recently visited (7)
  4. 7. Do this in the morning to prevent dementia. (4)
  5. 8. It’s bigger than … (3,3).
  6. 10. Birthplace of favourite daughter-in-law (7)
  7. 11. Today for Gogs. (8)
  8. 12. Half of a traditional weapon is in the family we hear (5).
  9. 14. Author of a Gentleman in Moscow. (4,6)
  10. 18. Wakes you up in the morning in Fairfield Ave. Nothing’s sacred! (6)