The $32 mil place was too small, apparently.
I just stumbled on this story on the NYT web site. This quote left me dumbstruck:
Mr. Koch said that his wife is now expecting their third child in June, and Ms. Onassis' former apartment will be too small for their expanded family. "There's just no way we could fit another child in that apartment," he said.
The Fifth Avenue apartment has four bedrooms, two dressing rooms, a staff room, a library, living room, dining room, conservatory, two terraces, three fireplaces, five and a half bathrooms and a wine room, according to a floor plan provided by the broker who will be selling it, Leighton Candler, a senior vice president of the Corcoran Group.
The article doesn't say what the place's square footage is, but it's probably twice that of the biggest house owned by anyone who reads this...