Juliette Silverton is Nick's fiancee.
Juliette: Why can't you do it again? Aren't you half Hexenbiest?
Renard: Why does everyone keep making that mistake?! I am not a Hexenbiest, I'm a Zauberbiest. There's a difference.
Juliette: Well, how do you know you're not being stupid by being with me?
Nick: I don't, I just, I think there's a lot more to it than that.