Bob Roberts founded the Lucille Roberts gym chain with his late wife Lucille. This 28,000 sq ft mansion was built on the site of a home once owned by Magda Gabor, the sister of Zsa Zsa. Another home owned by Roberts at 4 E 80th St in Manhattan is on the market for $90 million.
http://therealdeal.com/newyork/articles/90m-ues-townhouse-belonging-to-lucille-roberts-estate-poised-to-crush-city-records-at-4-east-80th-street-with-paula-del-nunzio 
Residential 
