Mary Winchester (mother, deceased)
John Winchester (father, deceased)
Adam Milligan (half-brother, in Lucifer's Cage)
Samuel Campbell (grandfather, deceased)
Deanna Campbell (grandmother, deceased)
Henry Winchester (grandfather, deceased)
Sam Winchester is a character from the Supernatural fandom.
Samuel "Sam" Winchester was born May 2nd 1983 and is a hunter partnered with his older brother Dean. In addition to being Dean's younger brother, Sam is the second son of John and Mary Winchester, the older paternal half-brother of Adam Milligan, the grandson of Samuel and Deanna Campbell and Henry Winchester, and the third cousin of Gwen and Christian Campbell. Early in Season 5, Sam is revealed to be the true vessel of the fallen Archangel Lucifer. In Season 8, he does the three trials in order to close the gate of hell, but only manages to complete two of them.