Simplify the following text for a Grade 6 native English-speaking person.
Original: James was the oldest of three boys -- his brothers were Robert Gamble Cabell III ( 1881 -- 1968 ) and John Lottier Cabell ( 1883 -- 1946 ) .
Simplified: Cabell was the oldest of three boys . His brothers were Robert Gamble Cabell III ( 1881 â `` 1968 ) and John Lottier Cabell ( 1883 â `` 1946 ) .