Jeff Bezos' mother, Jacklyn "Jackie" Gise Bezos, died on Thursday at the age of 78, the Amazon founder confirmed on social media.

While no official cause of death has been released, Jeff Bezos said she had "a long fight with Lewy Body Dementia."

Newsweek reached out to Bezos' representative for comment on Friday via email outside regular working hours.

The Context

Bezos is the fourth wealthiest person in the world , Forbes reported, with a net worth of $243.6 billion as of August 15. The 61-year-old founded Amazon in 1994 out of his Seattle garage. He also owns the The Washington Post and the aerospace company Blue Origin .

In June, the businessman got married to Lauren Sanchez in Italy.

What To Know

On Thursday, Jeff Bezos took to Instagram to share the news of h

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