Surprising Sortings

First story in the Thwarted Traditions AU! We all know how the story went. Petunia was bitter and jealous of her witch sister. Narcissa, Bellatrix and Regulus joined Voldemort... But what if it wasn't that way? We already saw what happened in the future where all this came to pass. Now let me show you a different one. And it all started, with some Surprising Sortings.