Mackenzie Bezos will receive $38.3 billion worth of Amazon stock, Bloomberg News reported.
The author and ex-wife of Amazon founder Jeff Bezos signed Warren Buffett's Giving Pledge earlier this month.
Michael Sánchez, the brother of Bezos' girlfriend Lauren Sánchez, reportedly received $200,000 from American Media Inc.
He doesn't mention the investigative team's miss on Stormy Daniels and Karen McDougal.
The billionaire executive released a statement on Twitter announcing the couple's split.