Mary takes them all to a safe house where they prepare for Anna to come at them again. Mary asks Dean to tell her the truth. Dean tries to avoid it but Mary insists. Dean tells her that he is her son, and Mary is shocked by this.
Finding that she has been gone for thirty-three years, Mary finally believes that Dean is her son and the two embrace. As the morning came, Dean and Mary say on park bench, with tears in her eyes, Dean begins telling her about John and how he sacrificed his life for Dean and raised he and Sam to be hunters.
And I love you" Dean. Confronts Mary And Forgives Her.
Jack says he snapped and it was over quickly. He wishes it didn't happen. Dean is barely holding it together. He doesn't like that Jack is calling Mary's death, “the accident.” But he plays along and says they understand and they forgive Jack.
"Supernatural" The Kids Are Alright (TV Episode 2007) - IMDb.
Cassandra Masters is the daughter of Castiel and Meg Masters and the only known Nephalem to exist, which is a hybrid between a union of an angel and demon, even being part human due of Castiel and Meg's human vessels. Cassandra acts as one of the leading main characters with Sam and Dean.
When Jack killed Mary Winchester, he sought to redeem himself by creating new angels but it didn't help and he was locked away by the Winchesters. Jack escaped and roamed Earth before he was confronted by the Winchesters who intended to kill him but stopped.
Mary Winchester (Samantha Smith)
Targeted by Azazel, retired hunter Mary had the distinction of being the first character to meet her maker. The Yellow-Eyed Demon pinned Mary to the ceiling of baby Sam's room, slit her stomach, and eventually set her ablaze. Mary's gruesome demise forever scarred the Winchesters.
After a soulless Jack kills Nick for trying to resurrect Lucifer, he accidentally kills Mary in a brief fit of rage. Mary is reunited with her husband in Heaven and is now at peace in a shared Heaven with John.
Lady Toni Bevell was able to use the device over several sessions to get into Mary Winchester's head and brainwash her into being an assassin for the British Men of Letters, locking the real Mary's mind behind psychic wards that even she couldn't break with Mary effectively hiding behind the wards.
Emma was an Amazon conceived by Lydia and Dean during a one-night stand, unbeknownst to the latter. After trying to kill Dean, Sam shot her, killing her instantly.
Lydia met Dean Winchester, along with Castiel at a bar. She shared a conversation with the Winchester and then went to her house where the two enjoyed a night together. Unknown to Dean, Lydia was impregnated with his child and in just a couple of hours, Lydia was already nine months pregnant.
When Dean had first met Ben Dean considered the possibility that Ben might actually be his son. Lisa confirmed to Dean that Ben wasn't his son and his similarities to him was due to her 'type' that she hooked up with that Dean had fallen under.
Before dying, John tells Dean, if he can't save Sam, he'll have to kill him, should he become evil. The fourth season episode "On the Head of a Pin" reveals that the demon Alastair tortured John in Hell for over a century, with John refusing the demon's offer to stop if he himself would torture someone else.
Finally free from Chuck, Sam (Jared Padalecki) and Dean (Jensen Ackles) went on one last hunt to track down some evil mimes who were stealing children. Unfortunately, Dean got fatally stabbed during the hunt, and gave one hell of an emotional speech to his brother as he died.
John Winchester plays a driving force in Supernatural's early days, but his role as a recurring character was severely limited after the beginning of Supernatural season 2 when John was killed by the demon Azazel.
Supernatural 15x13 - Jack gets his soul back and says sorry to Sam and Dean for killing Mary! - YouTube.
After going to Heaven, Dean is impressed and proud of the changes that Jack has made. Bobby Singer calls Jack Dean's kid while they talk and Dean doesn't say anything to the contrary, suggesting that Dean ultimately forgave Jack and came to see the young Nephilim as his family again.
Dean appears visibly saddened by Castiel's lack of faith in him. Castiel later returns in Two Minutes to Midnight and apologizes to Dean for not having more faith in him. Dean forgives Cass, and they reconcile.
Emma Winchester is the daughter of Dean Winchester and Lydia. She is an Amazon warrior, trained to kill her father, but she refuse to go through it and was accepted by her family. She is very close to Cassandra.
Eventually the two comforted each other and slept together, not realizing in a few short months, Meg would be carrying a Nephalem, their unborn child, Cassandra Master. Castiel learned of Meg's pregnancy and did everything in his power to hide her from angels or demons.
Supernatural: Former angel Castiel (Misha Collins) had a very human first on the CW hit drama: He lost his virginity to April (Shannon Lucio)! Alas, it turns out she was a reaper and stabs Cas in the chest, so yeah, no cuddling for those two.