Is Jude and Davis,Twins in real lives?

I was watching the first episode of this season commentary on cwtv.com. Ты should check it out it's interesting and Mark was saying that I think there was a set of twins once, but for the most part they changed the Дети quite a bit because of how fussy they would get sometimes. Even sometimes it was a fake doll. So what I'm getting out is there were several Дети that have played Jude and Davis. There might have been twins at some point it's hard to tell. :)