Helen Robson Kemper Walton was the wife of Wal-Mart founder Sam Walton. She was the eleventh richest American and at one point the richest woman in the world. Helen died with an estimated net worth of $16.4 billion. Helen was the valedictorian of her high school class in Claremore, Oklahoma and a graduate of the University of Oklahoma at Norman with a degree in business. She was the daughter of L.S. Robson, a prosperous banker and rancher. Wikipedia
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