It's unknown which house Astoria Greengrass was sorted into. Astoria was present during the Battle of Hogwarts, but she was evacuated with the other underage wizards and witches. These events ...

Draco was torn in the Battle of Hogwarts, having previously helped ... and - rejecting his father's views - he married Astoria Greengrass, who also rejected the traditional pure-bloodline.

Assuming that by now you've read the epic that is Harry Potter and the Cursed Child, you may naturally have a lot of questions about Astoria Greengrass ... the Battle of Hogwarts, Draco evolved ...