Simplify the following text for a Grade 4 native English-speaking person.
Original: His father , Abraham Van Buren ( 1737 â `` 1817 ) was a farmer , the owner of six slaves , and a tavern-keeper in Kinderhook . Abraham Van Buren supported the American Revolution and later the Jeffersonian Republicans .
Simplified: Van Buren was the third born of five children .93 His father , Abraham Van Buren , was a farmer and a tavern owner .