Possible Clues:

• Renounce (a throne)
• Reject ruling?
• Relinquish power
• What King Edward did -- or Jack, Diana and Catherine
• Resign from or renounce the throne
• Step down and subside, holding investigators back
• Decline to accept upstanding investigators, so step down
• Sailor, almost nineteen, resolved to stand down
• A gallery plunged into crippling debt has to give up
• Returning sharp retort at last, president comes round to resign