Siblings who aren't Nate
That would be a wise first step. I'm sure she won't mind having the dinner, and probably won't care if you bring Gar and Quentin, but including the other half of my family isn't the greatest idea. Something is bound to blow up, or an alternate universe future child will show up, or one of us will wind up being a Skrull, and Skrulls hate Thanksgiving.