 Both his grandfather, Foster, and his uncle, Robert Lansing, the husband of Eleanor Foster, had held the position of Secretary of State.His younger brother, Allen Welsh Dulles, served as Director of Central Intelligence under Dwight D. Eisenhower, and his younger sister Eleanor Lansing Dulles was noted for her work in the successful reconstruction of the economy of post-war Europe during her twenty years with the State Department.On June 26, 1912, Dulles married Janet Pomeroy Avery (1891–1969), granddaughter of Theodore M. Pomeroy, a former United States Congressman and Speaker of the House of Representatives.