So my theory regarding hexengrimm babies (assuming such a child has even happened before this) is that normally, the grimm blood would overrule the hexenbiest and the kid would be a grimm, or even just plain human (like they almost cancel each other out, like maybe they’re opposing sides of the same magic, okay okay ignore me and my pet headcanon).

But in this case…who even knows? Because Adalind is way more than she was when Nick took her powers, and Nick is way more than HE was at that time, too. So who even knows.