His son Prince Sado, to whom hed always been cruel, lost his mind and became a sociopathic killer. 그는 사람을 무작위로 때리고, 변덕스럽게 하인을 죽이고, 분노가 치밀어 오르면 가까이 있는 여인들을 폭행했습니다. Eventually, Yeongjo needed to step in, and he had his own son executed.