  Kingsley also explained Hogwarts in depth and Harry learned, to his anger, that his whole family was there. He also learned Kingsley knew his parents quite well and regularly talked to them. So Harry decided not to speak about his true name, best he not drag Harry to his parents. Harry also learned about the Houses and Kingsley and spoken about how Slytherin was not a house for the cruel and that they had many redeeming qualities. Qualities Harry had many of.