Clary's has been living with her mother since she was born. But her mother has kept a secret from her. Clary has a younger twin brother, by 3 minutes, his name is Ashton. He has been living at the institute with Izzy, Jace, and Alec. He goes by Ashton Bluejay. He has been in a relationship with Alec, for 2 years. Ashton doesn't know about Clary, and she doesn't know about him. But why did Jocelyn give Ashton up?