Simplify the following text for a Grade 7 native English-speaking person.
Original: Edith Kermit Carow Roosevelt ( August 6 , 1861 â `` September 30 , 1948 ) was the second wife of Theodore Roosevelt and served as First Lady of the United States during his presidency from 1901 to 1909 .
Simplified: Edith Kermit Carow Roosevelt ( August 6 , 1861 - September 30 , 1948 ) , was the second wife of Theodore Roosevelt , the President of the United States . She acted as the First Lady of the United States from 1901 to 1909 .