Wal-Mart family Jim Walton, Alice Walton and Rob Walton
Jim, Alice, and Rob Walton have all become a lot richer this year.
  • Three heirs to the Walmart fortune are on the verge of being worth $100 billion each, per Bloomberg.
  • Jim Walton's net worth is now $99.6 billion, while Rob and Alice are worth about $97 billion.
  • The trio's combined net worth has reached $293 billion, trumping Elon Musk's $246 billion fortune.

Three Walmart heirs are on the brink of being worth $100 billion each — and together they're already richer than the world's wealthiest person, Elon Musk.