Not only were siblings Rebekah, Kol, and Finn were the only Originals undaggered by Elijah and Damon Salvatore at the great dinner party featuring Damon Salvatore, Elijah, Stefan Salvatore and Klaus. Their unknown sister, Kassandra, was revealed to be existant, and she's not happy with Klaus. Though she made a promise with Klaus, Elijah and Rebekah to be family, always and forever, Kassandra thinks forever might be a bit too long. . . . .