Mattheo riddle begins having a reoccurring dream in his 5th year at hogwarts. It’s always the same: a beautiful woman in his arms, a baby bump, a ring on his finger, the joy of domestic life. He didn’t know who this woman was, until in his 6th year he meets her. A transfer student from another wizarding school. She was sorted into ravenclaw house. He knows that’s the woman from his dreams.