Jackie Bezos and her husband invested about $245,000 in Amazon when the online bookstore was in its first year.

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.

Jackie Bezos, who has died aged 78, helped to launch her son Jeff on the path to becoming a multi-billionaire by providing an initial investment of $245,000 to create the online retailer Amazon.