The Beaux-Arts mansion was built in 1907 by the prominent architecture firm Carrère and Hastings of New York.

In the good times at the turn of the century, the family bought an ornate horse-drawn hearse and built a white-columned Beaux-Arts mansion.

Although the premises, an opulent Beaux-Arts mansion on Fifth Avenue, suggest robber-baron luxury, the atmosphere is casual.

He also designed Richardsonian Romanesque institutional buildings, Beaux-Arts mansions, and Manhattan skyscrapers.

Work started in 1895 and when completed in the following year, had turned the house into a Beaux-Arts mansion with 65 rooms, 14 bathrooms, and 23 fireplaces.

The furniture in the magnificent 5,700-square-foot Beaux-Arts mansion, at 600 Park Avenue (64th Street), was not Swedish and needed repair.

He was the last surviving member of the family to have lived in the 1914 Beaux-Arts mansion, on Fifth Avenue from 70th to 71st Street.

The Beaux-Arts mansion, built from 1902 to 1905, is also a museum and has a 42,000-book library devoted to the Revolutionary War.

The next night, late in the office," Ms. Corradini said, "my associate got a call about this magnificent Beaux-Arts mansion on 82nd Street.

The reception was held at the McGehee School, an ornate Beaux-Arts mansion nearby, where everyone seemed to be talking about the river.