Related Clues:

• Dad, to Grandpa
• First born child
• 41-Across, often
• Ares, to Zeus
• Beneficiary of a fraternity's 'legacy system'
• Ford's Edsel, e.g.
• Father's Day gift giver, perhaps
• 'Fortunate ___' (Creedence Clearwater Revival song)
• Descendant of noble family
• Most senior in age
• Human offspring
• Member of the family
• First in the order of birth
• First to be born
• Male scion