Theodore Roosevelt IV (June 14, 1914 – May 2, 2001), commonly known as Theodore Roosevelt III, was an American banker, government official, veteran of World War II, and a grandson of President Theodore Roosevelt through his father, Brig.
Gen.
Theodore Roosevelt Jr., a politician and World War II military leader, and Eleanor Butler Alexander.
His name suffix varies since President Roosevelt's father was Theodore Roosevelt Sr., though the same-named son did not commonly use a "Jr" name suffix.