C. Douglas Dillon

Clarence Douglas Dillon was an American diplomat and politician, who served as U.S. Ambassador to France and as the 57th Secretary of the Treasury . He was also a member of the Executive Committee of the National Security Council during the Cuban Missile Crisis.

Dillon was born in Geneva, Switzerland, the son of American parents, Anne McEldin and financier Clarence Dillon. Although Dillon grew up as a patrician, his paternal grandfather, Samuel Lapowski, was a poor Jewish immigrant from Poland. After leaving Poland, his grandfather settled in Texas after the American Civil War and married Dillons SwedishAmerican grandmother. Dillons father later changed his family name to Dillon, his grandmothers maiden name. Dillons mother was descended from Grahams Lairds of Tamrawer Castle at Kilsyth, Stirling, Scotland.

Source: Wikipedia