Related Clues:

• Word ending many company names
• 'My boy'
• One may be a favorite
• Henry V, to Henry IV
• Last word in many company names
• Junior, usually
• Tom, to the piper
• Ampersand follower, sometimes
• Junior, to Senior
• Chip off the old block
• Heir, often
• Labor day arrival?
• Offshoot
• 43-Down, to Adam
• It has 'son' inside