Input (grade 10): Letitia Christian Tyler (November 12, 1790 - September 10, 1842), first wife of John Tyler, was First Lady of the United States from 1841 until her death.
Output (grade 7): Letitia Christian Tyler (November 12, 1790 - September 10, 1842) was the first wife of John Tyler, the tenth President of the United States. She was the First Lady of the United States from 1841 until her death in 1842.