Despite feeling sympathy for her mothers plight when it comes to her illness, Iris still wants nothing to do with Francine when she finds out that she has a long lost brother out there somewhere. We dont know whether this child is the son of Joe West or if there was another man involved, but we do know that he will turn up in Central City at some point. Oh, and yes, he will be Wally West. Yes, that Wally West. As in the Wally West who is the comic book Kid Flash before eventually becoming The Flash at one point. In the comic book realm, Wally is the nephew of Iris, although its been revealed by the powers that be that The Flashs Wally West will indeed be the brother of Iris.