Ferdinand Belin

Ferdinand Lammot “Mot” Belin (1881-1961) became vice president of the National Gallery of Art and its landscape architect in the 40s, and worked in OSS until 1944. He also worked as the Chief of Protocol 17 November 1930 to 15 September 1931 and Ambassador Extraordinary and Plenipotentiary to Poland 13 December 1932 to 4 March 1933. The Belin family was closely linked with the DuPont family through numerous marriages [1]. He owned the Evermay House (the most expensive house in DC), and a house next door, which he rented to political writer William Hard.

Later, the house was rented to
 * Edward Kennedy
 * John Jarman (congressman from Oklahoma)
 * Morehead Patterson (chairman of the Brookings Institution)
 * Grace Warnecke (daughter of George F. Kennan)
 * Smith Bagley (R.J. Reynolds’s grandson)
 * Vicki Bagley (finance chairman for Jimmy Carter’s Washington area campaign) [2]

Father of Peter Belin, a Navy intelligence specialist for the Joint Chiefs of Staff, and grandfather of Harry Belin, who "joined the Navy and specialized in intelligence and psychological warfare during two tours of duty in the Vietnam War." His daughter-in-law, Mary Belin, was "a former Wimbledon player who liked playing recreationally at Evermay with Allen Dulles." [1]

A family’s hidden history is revealed after sale of their grand Georgetown estate

[1]: Washington Post - Shapira, Ian: A family's hidden history is revealed after sale of their grand Georgetown estate

[2]: Washington Post - Orton, Kathy: Georgetown home was gathering spot for Washington’s elite