Editor’s note: Net worth figures were current as of June 13, 2017.
The Bankrate Daily
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2. Lukas Walton, 31
Worth: $11.3 billion
How he made his billions: After his father, John Walton — son of Walmart founder Sam Walton — died in 2005, Lukas Walton inherited a sizable portion of the estate. Most of this fortune was once thought to belong to his mother, Christy Walton, but recent information reveals Lukas Walton was the beneficiary with the higher share.
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3. Dustin Moskovitz, 33
Worth: $10.7 billion
How he made his billions: Moskovitz worked on Facebook in its early stages with Zuckerberg. He went on to co-found Asana, a maker of project-management software for business.
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4. Scott Duncan, 34
Worth: $5.7 billion
How he made his billions: Duncan inherited his money from his father, who started energy pipeline company Enterprise Products.
How he made his billions: Murphy is the co-founder and chief technology officer of the social media company Snap Inc., which includes Snapchat. Murphy became a billionaire when Snap had its initial public offering.
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6. Evan Spiegel, 27
Worth: $4 billion
How he made his billions: Spiegel is the co-founder and CEO of Snap Inc. He also became a billionaire when Snap had its initial public offering.
How he made his billions: Blecharczyk is co-founder and chief strategy officer of Airbnb. He has a 13 percent stake in Airbnb, according to Forbes.
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8. Caroline Hagen Kjos, 33
Worth: $2.5 billion
How she made her billions: According to Forbes, Hagen Kjos became chairman of the family’s private holding company, Canaca, in 2014 and assumed 97.5 percent ownership at that time.
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9. Tatiana Casiraghi, 33
Worth: $2.4 billion
How she made her billions: Casiraghi is a billionaire heiress of her grandfather Julio Mario Santo Domingo, who owned the Colombian brewery Bavaria, one of the largest breweries in South America. Casiraghi, born Tatiana Santo Domingo, joined Monaco’s royal family when she married Andrea Casiraghi in 2013.
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10. Julio Mario Santo Domingo III, 32
Worth: $2.4 billion
How he made his billions: The brother of Tatiana Casiraghi, Santo Domingo III inherited an equal portion of his grandfather’s beer fortune. Santo Domingo III is a DJ in New York City.