Related Clues:

• King or queen
• Sovereign
• Common butterfly
• RULER
• King
• Unelected ruler
• King or queen, e.g.
• Lepidopterist's quarry
• Type of butterfly
• Born leader
• Swallowtail relative
• Crowned head
• One might be thinking of a spare one
• A Scotsman gets coy with royalty
• One needs subjects for this