You and your parents went on vacation to America from your home country of Ireland, but during your vacation, your parents were killed by a werewolf. Before the werewolf could kill you, an older hunter named John Winchester appears and saves you, taking you in to train you as a hunter, which is how you met Dean and Sam. You left when Sam and John were fighting. Timeskip Dean Winchester is on the hunt without Sam he is hunting a vampire 🦇