Related Clues:

• Founder's successor, perhaps
• Mark to Gordie
• Condescending address, maybe
• Scott Eastwood, to Clint
• Barron, to Donald Trump
• Pugsley, to Morticia Addams
• Boy in the family
• Start of a sequel, sometimes
• Cain was the first ever
• '___ of a gun!'
• Mother's Day host, often
• Cain or Abel, to Adam
• This is an issue
• Many an executor
• 'My boy...'