Possible Clues:

• Aretha's sister
• Ms Bombeck
• "I Lost Everything in the Post-Natal Depression" author Bombeck
• First name in humorous writing
• Bombeck who wrote a 'Cope Book'
• Bombeck of "At Wit's End"
• "Forever, ___" (1996 humor book)
• Aretha Franklin's older sister
• Author Bombeck or singer Franklin
• Syndicated columnist Bombeck