 Son of the late Jonathan and Anne Hodgins ("The Heiress in the Hill", season 9), Jack Hodgins is thought to have been an only child until he discovers in Season 9 that he has an older brother named Jeffrey, institutionalized with schizoaffective disorder.In "The Blonde in the Game", his uncle Preston is introduced.Hodgins' grandfather served as a "code-breaker" under Admiral Chester W. Nimitz during World War II.