McGonagall's Girl

Minerva McGonagall had no children of her own, but that didn't mean that she wasn't a mother. So, it made perfect sense that she took in her goddaughter to raise as her own. A goddaughter who, to no one's surprise, would turn out to be as brilliant as McGonagall herself, if not a bit more chaotic. Or: The Weasley Twins befriend a Ravenclaw and raise hell at Hogwarts along the way