. "1861Z"^^ . . . "Confederate States of America" . . . "1826Z"^^ . "John Breckinridge Grayson (October 18, 1806 \u2013 October 21, 1861) was a career United States Army officer and a graduate of West Point. He is well known for being a Confederate brigadier general during the American Civil War, his service during the Mexican-American War, and for his early death only three months after joining the Confederate Army of pneumonia and tuberculosis."@en . . . "1861Z"^^ . . . . . . "1861-10-21Z"^^ . "Department of Middle and Eastern Florida" . . "1806-10-18Z"^^ . . "United States of America" . . . "John Breckinridge Grayson"@en . "Grayson, John B."@en . "1806Z"^^ . "American general" .