Estelle Jackson and her husband, Jim Jackson, both died on a plane flight when it crashed down in a field 150 miles south of Lake Ontario at 3 A.M, leaving their young daughter, Sally, an orphan. Neither of them survived the crash and the cause of the crash was left unknown.
Her daughter, Sally Jackson, was orphaned and taken in by her husband's brother, Rich Jackson.
- In The Ultimate Guide her name was revealed to be Laura. In The Ship of the Dead, it was revealed that her granddaughter Estelle Blofis was named after her.
- ↑ Percy Jackson: The Ultimate Guide, Page 13