House of Cassini: See the Gilded Age mansion about to sell for just $34.5 million after years of bankruptcy turmoil

The drawing room of the House of Cassini mansion in New York City.

Evan Joseph for Sotheby's International Realty

• Bidding has closed on a 1901 mansion where Oleg Cassini designed fashions for Jacqueline Onassis.
• On Wednesday, a bankruptcy judge will review a $34.5 million top bid for the Gilded Age townhouse.
• Look inside the Beaux-Arts beauty and read about its contentious, sometimes violent history.

A 20-room Gilded Age mansion, once the atelier of fashion designer Oleg Cassini...