Jacob Pond

Jacob Pond was the son of Amy Pond, who was a friend of Sam's and a Kitsune.

Biography
Jacob was born a Kitsune, because his mother is one herself. It was never revealed what happened to his father, assumed that he died.

The Girl Next Door
His mother Amy starting killing when he became ill. For years she had been working as a morgue worker so she could feed off dead brains. These killing however attract the attention of her old friend Sam, who stops her in a park. She manages to knock him unconicous, and quickly heads home. Sam follows her home, and demands to know why she's killing. She tells Sam she has a son and he needs the live food to save his life. Feeling for her, Sam lets her go. She quickly leaves with her son to a motel, where Dean tracks her down and stab her in the heart. After her death and Dean's threats that if he starts killing he'll kill him, but her son swears revenge on Dean for killing his mother.