Simplify the following text for a Grade 11 native English-speaking person.
Original: Charles Carroll of Carrollton ( September 19 1737 â `` November 14 1832 ) was a delegate to the Continental Congress and later United States Senator for Maryland .
Simplified: Charles Carroll of Carrollton ( September 19 , 1737 - November 14 , 1832 ) was a wealthy Maryland planter and an early advocate of independence from Great Britain . He served as a delegate to the Continental Congress and later as United States Senator for Maryland .