Input (grade 13): He left his ownership in Wal-Mart to his wife and their children: Rob Walton succeeded his father as the Chairman of the Board of Wal-Mart, and John Walton was a director until his death in a 2005 plane crash.
Output (grade 7): Walton is the person who created the well-known American stores, Wal-Mart and Sam's Club. Walton was born to Thomas Gibson Walton and Nancy Lee Walton.