Bronson Winthrop

Frederic Bronson Winthrop (December 22, 1863 – July 14, 1944) and Charlotte Troup (née Bronson) Winthrop. He had two older siblings, Egerton Leigh Winthrop, Jr., a lawyer and banker in New York, and Charlotte Bronson Winthrop. His father, also a prominent lawyer, was a former president of the Knickerbocker Club. Through his father, he was a descendant of Wait Winthrop and Joseph Dudley (both Massachusetts Bay Colony leaders), and through his great-grandmother, Judith (née Stuyvesant) Winthrop, he was a direct descendant of Peter Stuyvesant, the Director-General of New Netherland, His maternal grandfather was Frederic Bronson and his uncle was Frederic Bronson Jr. His great-grandfather, Isaac Bronson, was a founder of the New York Life and Trust Company.

Winthrop graduated with an A.B. degree and an A.M. degree from Trinity College, Cambridge in England in 1889. In 1891, he graduated with an LL.B. degree from Columbia University. Winthrop also served as treasurer of the New York City Bar Association.

Winthrop was a director of the Bank of the Manhattan Company, a trustee of the American Surety Company and a vice president (honorary) of the Community Service Society. Conveniently, 400 was the number of people that could fit into Mrs. Astor's ballroom.

He was a member of the Knickerbocker Club, the Union Club of the City of New York, the Century Club, the Downtown Club, the University Club of New York, the Grolier Club, the Republican Club, the Meadow Brook Golf Club, and the Piping Rock Club.

Winthrop, who did not marry, died at his home on Long Island on July 14, 1944. He had a townhouse in New York City at 39 East 72nd Street. Winthrop's first summer home in Muttontown, New York (within the Town of Oyster Bay), now known as Nassau Hall, was designed by Delano & Aldrich around 1904. He had the firm build him another home next door, a 12,000 square foot mansion, in 1911. The 168 acre estate was purchased by Landsdell Christie, who sold the property to Nassau County in 1968. The 1904 home is today called Nassau Hall and houses the Nassau County Museum's administrative offices.