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Jack the Nephilim
Season(s) 12, 13
Species Nephilim
Status Alive
Title/Alias Lucifer's spawn
Lucifer Jr.
Occupation Hunter
Member of Team Free Will
Affiliation: Castiel
Family God (paternal grandfather)
Amara (paternal great-aunt)
Michael (paternal uncle)
Lucifer (father)
Raphael (paternal uncle)
Gabriel (paternal uncle)
Kelly Kline (mother)
Angels (paternal uncles and aunts)
Castiel (paternal uncle; guardian) †
Jane (paternal cousin)
Portrayed by: Alexander Calvert (adult)

Jack is the son of Lucifer and Kelly Kline. He is the first and only known Nephilim to be sired by an Archangel.

Other Jacks