Unfortunately, Liu Yong did not leave a son until his later years, for unknown reasons. The book once wrote that after his wife died, he married several concubines in order to continue his children.
Introduction to Liu Yong:
Liu Yong, whose real name is Confucianism, was born in Zhucheng, a famous politician and calligrapher in the Qing Dynasty, and the eldest son of Liu Tongxun, a minister of the Ministry of War.