World's richest billionaires

Published On: Mar 08 2012 09:56:15 AM CST   Updated On: Mar 03 2014 09:32:55 AM CST

A familiar face takes over the top spot on Forbes' list of the world's richest billionaires.

Rob Walton
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10. S. Robson Walton -- The son of Walmart Stores Inc founder Sam Walton and chairman of Walmart's net worth is $34.8 billion.

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