Original: Mary Ann Todd Lincoln (December 13, 1818 - July 16, 1882) was the wife of the 16th President of the United States, Abraham Lincoln, and was First Lady of the United States from 1861 to 1865.
Simplified: Mary Ann Todd Lincoln (December 13, 1818 - July 16, 1882) was the wife of Abraham Lincoln, the sixteenth President of the United States.