Tom Riddle's Daughter

"Sorry, sir." A girl with dark hair accidentally bumped Harry, she jumped on the train as it moves before the door could close. Harry furrows his eyebrows, a sudden feeling of dejá vú nags him after the girl bumped him. He rubbed the spot of his forehead where his scar is when it felt a bit itchy. What if Tom Marvolo Riddle has a daughter? :3 (Albus Potter/O.C/James Potter)