Sybil Robson Orr was the niece of the founder of which two stores?
Sybil Robson Orr:  She is a niece of Walmart founder Sam Walton and Helen Walton, and the founder of Robson Orr Entertainment. Helen Walton: Helen Robson Kemper Walton (December 3, 1919 – April 19, 2007) was the wife of Wal-Mart and Sam's Club founder Sam Walton.
Wal-Mart and Sam's Club