. . . . . . . . "35th" . . . . . "1843Z"^^ . "1865Z"^^ . "Robert lincoln signature.svg" . "Robert Todd Lincoln"@en . . "1865Z"^^ . . . . "1926Z"^^ . . "Lincoln, Robert Todd"@en . "Robert Todd Lincoln (August 1, 1843 \u2013 July 26, 1926) was an American politician, lawyer, and businessman. He was the first son of President Abraham Lincoln and Mary Todd Lincoln."@en . "1843-08-01Z"^^ . . . . . . . . "1926-07-26Z"^^ . . . . "UnionArmyofficer" . . .