Possible Clues:

• Family pastime
• Entertainment found at the start of the answer to 17-, 21-, 27-, 45- or 54-Across
• Clue, e.g.
• Eg, chess
• Woman chases animal round front of garden, creating draughts?
• Reason for a family gathering, perhaps
• Parcheesi, e.g.
• Scrabble or Parcheesi
• Dame Garbo playing draughts, maybe
• Go maybe and find quarries around Germany