Rose Weasley, daughter of Ron and Hermione Weasley, brightest witch of her age, Gryffindor and wife of Scorpius Malfoy.
How did Rose end up marrying her arch enemy? 1 word. Business.
Ron Weasley and Draco Malfoy decide that, to save their sinking businesses, there should be a bond that goes stronger than just business partners, a bond of family. It was decided then that Rose would marry Scorpius. This was the moment that Rose's life took a turn for the worst.