Forbes found that there are 45 American families with fortunes exceeding $10 billion.
The Walmart founder Sam Walton's heirs are richer than Elon Musk, with a $267 billion fortune.
AdvertisementThere are 45 American families worth at least $10 billion, and the richest one is wealthier than Elon Musk, Forbes says.
Forbes estimates the 45 superrich families are collectively worth about $1.3 trillion, or roughly 10 times Warren Buffett's personal fortune.
The descendants of John D. Rockefeller — the nation's richest man in his prime — barely made Forbes' list, with a $10.3 billion fortune.
Persons:
Forbes, Sam Walton's, Elon Musk, Koch, Lauder, Pritzker, Rockefeller, —, Warren, Hearst, John D, MacMillan, Campbell, Brown, Forman, Jack Daniel's, Busch, Haslam, Warren Buffett's Berkshire Hathaway, it's
Organizations:
Walmart, Elon, Service, Forbes, SpaceX, Marriott, Carnegie, Vanderbilt, Getty, Cargill, Hyatt Hotels, Anheuser, Busch, InBev, Centers, Warren
Locations:
Marriott, Hearst