McGonagall?! It is really you? Headmistress. Great ally to Hogwarts and Dumbledore, superb duelist, and.. sorry. Probably shouldn't tell too much on the future. But it all works out and you're still awesome at magic in the decades ahead.
I'm a wizard. Scorpius Malfoy, son of Draco and Astoria. Now there's no need to ask for surname since now we already know I'm a M But you probably don't know of him or his father Lucius. Abraxas, maybe? That one was my great grandfather.