Bentham Family Crossword!

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Across
  1. 3. Piano maker Benjamin's inner ethics are corrupted (9)
  2. 6. Home of Welsh flower? (2,4)
  3. 8. Tiny quarry, but Archie didn't like to hear it (4,4)
  4. 10. Iconic headline: daft clash - bet disputed! (3,4,5)
  5. 11. Nearby county with half of Portland house, post wedding (9)
  6. 12. In music, oddly, a maiden name (4)
  7. 13. Julian's hobby: laugh at quiet child with nothing (7)
  8. 15. Hairless times for fabled alter ego (8)
  9. 17. Points into heartless mist: the location of sudden storm (4)
  10. 18. American love within 104 mixed up initials - this could take all night (12)
Down
  1. 1. Attempt, without essential drink, to follow female bird name (5)
  2. 2. Boring ogres ruined town (6,5)
  3. 3. Northern landmark - after family back medic, drink noisily! (7,5)
  4. 4. Popular university: loud and confused life in shack (9)
  5. 5. Enchanted cup to speak famous last words (6,4)
  6. 7. One can no longer cross this road? (6)
  7. 9. Furry firefighter gives mother a kiss (3)
  8. 14. She'd take the TARDIS for a spin! (6)
  9. 16. Return, eat! Her husband made sausages! (4)
  10. 17. The French leave damsel in distress with A-Z inside an old car (5)