Tony Pritzker, 62, is divorcing his wife of 33 years Jeanne Pritzker. Pritzker owns the third largest house in Los Angeles, is the heir to the Hyatt Hotel fortune, and brother of Illinois governor J.B. Pritzker. He is now seeking to enforce his prenup after claiming his wife has refused to sign a document acknowledging that their prenup is valid and enforceable. Tony Pritzker, heir to the Hyatt hotel chain, is divorcing his wife of 33 years and asking a judge to enforce the prenup to protect his $3.7billion fortune.