Dean and Mary

Dean Winchester and Mary Winchester have a mother and son relationship. Although, their relationship got cut short, Dean always carries the memories of her in his heart no matter where he goes. In fact, it helps enforce his family is important mind set.

Background
Dean is Mary's first born child, so unlike Sam, Dean had the luxury of having Mary around and caring for him. When Mary and John had tough times, Dean would cheer her up. When Dean was about 2-3 years old, John moved out for a couple of days due to a fight. After talking to him on the phone, Dean goes and hugs her and tells her that John still loves her. Dean last saw her alive when he was four, and John brought him in to say good night to Sam. Then Mary was killed by Azazel. Dean later joins his father crusade to find the thing that killed her.