In 1948, Barmine was married to Edith Kermit Roosevelt, granddaughter of President Theodore Roosevelt; they were divorced in 1952, and the union produced one daughter, Margot Roosevelt.
Alexander Gregory Barmine (1899–1987), a Soviet officer, diplomat, and self-confessed spy, who defected to the West in 1937 and became an official at Voice of America and USIA,
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