She has been married three times: Robert Muir, George Barrie [the CEO of Faberge and Brut Productions] and Robert Mosbacher who became the Secretary of Commerce under the first President Bush. She has no children.
Mosbacher is a graduate of Indiana University. She has been awarded honorary doctorates from the International Fine Arts College and Bryant College.
Her sister, the former model Lyn Paulsin, is director of public relations at Borghese.