This is the longest reigning king. His next generation is his son, Ann Guo Jun, known as King Xiaowen in history. He was very old when he succeeded to the throne, so he left less than 1 year. Further down is Qin Shihuang's father, known as King Zhuang Xiang in history. Although he was in his prime when he ascended the throne, he was not strong. In less than three years, he quickly passed it on to Qin Shihuang and went after his father himself. ...