Here, I'll just write all his info down, after all, my mom's kinda the author XD
Full Name: Jasper Whitlock Hale Date of Birth: 1843 Date of change to vampire: 1863 - he was 20 Originally from: Texas...
Stephanie says that it never came up so he and some other characters dont have them on the correspondance on TwilightLexicon.com. He was born in 1843 and changed to a vampire in 1863.
On her birthday, Bella gets a paper cut while opening gifts. Aroused, Jasper runs and attacks Bella. Edward holds him back from hurting her, but Bella is terribly injured.