Related Clues:

• Spouse's sibling, e.g
• Relative where one finds Hollywood wife
• "It Had — You"
• Spouse's father, e.g
• Spouse's mom, for one
• Marriage-related party?
• Hubby's mommy, for one
• Brother's wife or wife's brother
• Marital acquisition
• Relative by marriage (Last two letters + ...)
• "___ or not ___"