Related Clues:

• See 10-Across
• William or Harry, e.g.
• Sovereign
• William or Henry
• Hamlet, for one
• One who hopes to succeed?
• King's issue
• Royal issue
• With 43-Across, storybook hero
• Palace youngster
• Former frog?
• Royal heir
• Canadian province
• One hoping to succeed?
• Light beams