Jim Jackson was the husband of Estelle Jackson and the father of Sally Jackson.[1] He was the human grandfather of Percy Jackson.


Jim Jackson and his wife, Estelle, both died on a plane flight when it crashed down in a field 150 miles south of Lake Ontario at 3 A.M. No one survived the crash and the cause of the crash was left unknown.

His daughter, Sally, was orphaned and taken in by his brother, Rich Jackson.

Percy Jackson and the Olympians

The Lightning Thief

Percy mentions his grandfather’s death talking about his mother’s backstory.


  1. Percy Jackson: The Ultimate Guide, page 13
Catherine Keener protraying Sally Jackson in The Lightning Thief film

Sally Jackson, his daughter.