Possible Clues:

• One family's relative in the legal profession perhaps marries into another's family
• Relative's very new and fashionable act
• Certain acquired kin
• Relative now slain unfortunately
• Lion and swan fighting for one result of match?
• Family member tabloid caught in the act?
• 'Meathead,' to Archie
• "Meathead," to Archie Bunker
• Jared Kushner, as a notable example
• Duke of Albany, to Lear