S. Robson Walton[table border=”0″]Net Worth, $33.3 Billion,,,
Source of Wealth, Wal-Mart,,,
Samuel Robson “Rob” Walton is a member of the Walmart family. His father is Sam Walton, the founder of Walmart. He has three siblings, and is the oldest in his family. Walmart is the biggest retail store in the world. His father passed away in 1992. After just two days, Rob Walton succeeded him as chairman of the board of directors. In late 2012, he was listed as the 11th richest person in the world. In early 2013, his estimated net worth was topping $33.3 billion.