Alice Walton is the world's richest woman — and just joined the $100 billion club
She and her two brothers — Jim Walton, worth $103 billion, and Robson Walton, worth $101 billion — rank among the 20 richest ...
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Meet Rob Walton, the Walmart heir worth $79.8 billion who's retiring from the company's board after more than 40 years
Here's what we know about Walton as he prepares for retirement: Rob Walton — whose full name is Samuel Robson Walton ... while Sam and his wife, Helen, each held 10%. Source: Business ...