Mentions it in the 초 book, Cresendo. Nora is like: Patch take me to your place. Patch: Heres something first (hands Nora ring) Nora reads the engraving aand it says "Jev loves Nora" Thats his real name. P.S Go on to the offical hush hush website nice pictures of Patch there
Yes, Becca does. At the end of the 초 book, Patch reveals that his real name is Jev, and in the third book, (SPOILER) when Nora finds him after her memory was erased, he went 의해 the name of Jev, not Patch.