Daniel, 35, Dirk, 43, and Robert Ziff, 41
Net worth: $3.5 billion (per brother!)
Thanks, Grandpa!!
This sibling trio inherited Ziff-Davis, the wildly successful technology-magazine publisher of '80s, from their grandfather, but sold the empire in 1994. Now the three bros work cozily together in Ziff Brothers Investments, where they claim to invest in hedge funds and corporate debt, though we imagine them sitting at desks, continuously counting out stacks of gold coins like Scrooge McDuck.
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