In a tribute on social media, Jeff Bezos wrote that his mother died "surrounded by so many of us who loved her," saying her death followed "a long fight with Lewy body dementia."

Jacklyn ‘Jackie’ Bezos, the mother of Amazon founder Jeff Bezos, has died at her home in Miami at the age of 78

Jackie Bezos, who gave birth to her son Jeff at 17 and for a time raised him alone as she struggled to build their lives together, has died. She was 78.