Possible Clues:

• 'Royalty gets them from a 20 down, by the sound of them (6)'
• Cost includes mean lunch for regular from The Palace
• See 1
• Sounds as if they're not the original royalty
• Royals prospect?
• Sounds as if royalty produces 29 across
• One hoping to succeed?
• About a quarter what it costs to get a title
• The sound of snaps of royalty
• Report publishes 'bear in 20'