John Eric Winchester (1954-2006) was the son of Henry and Millie Winchester, the husband of Mary Winchester, and the father of Dean and Sam Winchester and Adam Milligan.
How did Adam Milligan die?
However, being John Winchester's son brought about suffering to both Adam and Kate that causes both to die at the hands of ghouls who wanting revenge on John. Adam was killed by the monsters with one of them taking on his form and the other taking his mother's form.
Is Adam still alive in supernatural?
Adam, himself, never died, as he later met the angel Serafina, who fell in love with him, entering in a romantic relationship that lasted for millennia, and kept him alive, joining in his conspiracy to kill God. In 2020, Adam met Dean Winchester and Jack, who was impressed to hear that he was the very first human.
