Jace Morgenstern - Tumblr Posts
Jace: *@ rapheal* why did you let Camille take Simon?
Rapheal: natural selection.
Valentine (proudly):
These are my children. Jonathan Christopher, Jonathan Christopher, and… Serafina?
Now, I get it... :/

I don't know if it was explained in TMI but since Jace had the identity of Jonathan Wayland throughout his youth does that mean that he had celebrated his birthday on the wrong day throughout his childhood
if so, imagine the first time he celebrated his birthday on the real day he was born or when he wakes up thinking it's his birthday and then he remembers it's actually not the case and it's the birthday of Jonathan Wayland the child he had unknowingly assumed the identity of for 16 years
Hi I had a question for you, if Jonathan/Sebastian wasn't evil because of his demon blood for you? he would have had magical powers and would have been immortal like Tessa (half warlock and half shadowhunters) or he would have been like James and Lucie, a shadowhunters with a capacity