Eren is an eighteen year old boy with an illegitimate daughter (fathered by a cruel man ) and a nineteen year old husband (his former corporal from a past life) these, along with Jean and Marco are his only relatives. But Alice is his only living blood relative. Or she was. Eren was the son of Carla and Grisha Jaeger, but his mother died when he was fifteen under mysterious circumstances and his father abandoned him when he was very young before his mother's death. So who is the man who has taken him hostage and why does he claim to be Eren's father? Also, why is Eren still having the dreams?