Jim, Rob, and Alice Walton – three of Sam Walton's surviving children – have amassed fortunes of $99.6 billion, $97.3 billion, and $96.6 billion, respectively, according to the latest data from the Bloomberg Billionaires Index.

According to the Bloomberg Billionaires Index, the Walton siblings had a staggering combined net worth of $293 billion at the close of Friday’s market. That's $54 billion more than Musk, whose wealth currently sits at $239 billion.