21 Richest Billionaires In The World

11. Alice Walton

Facebook CEO Mark Zuckerberg talks about the new Facebook email service at an announcement in San Francisco, Monday, Nov. 15, 2010. AP Photo/Paul Sakuma)
April L Brown/AP

Rating: $38.7 billion

Sister of Robson and the Walton child noted as the most like her father in his autobiography, Alice is a noted art dealer and has survived three major car accidents.

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