Simplify the following text for a Grade 6 native English-speaking person.
Original: Lucille `` Lucy '' Ware Webb Hayes ( August 28 , 1831 -- June 25 , 1889 ) was a First Lady of the United States and the wife of President Rutherford B. Hayes .
Simplified: Lucy Ware Webb Hayes ( August 28 , 1831 - June 25 , 1889 ) was the wife of Rutherford B. Hayes , President of the United States .