Possible Clues:

• Firstborn; led set (anag.)
• Senior person
• Like the heir to the throne, usually
• Heir apparent, often
• Real adversity oddly bypassed first-born
• Adam and Ray from steel yard
• The first son compared to the rest
• Chico, of the Marx Brothers
• The oldest member of unsettled Leeds first team
• Like Liesl, among the von Trapp children