Fortune:  “When the Revlon chairman sued his ex-father-in-law Robert Cohen and his ex-brother-in-law James Cohen in 2008, hardly anyone batted an eyelash.  Robert Cohen is the father of Perelman's late ex-wife, the society journalist Claudia Cohen. Perelman's suit sought to wrest control of half of Robert Cohen's fortune and bestow it on Samantha Perelman, the daughter he had with Claudia Cohen — even though Samantha is one of six grandchildren who are descendants of Robert. Perelman argued that, as executor of Claudia's estate, he had a duty to sue, because decades ago Robert had promised the money to Claudia.  Even by modern standards of dysfunctional-family estate battles — think of the Astor clan — this one was a lulu.”