<P> King Zhuangxiang of Qin ruled for only three years . He was succeeded by his son Zheng , who unlike the two elderly kings that preceded him was only 13 years old at his coronation . As an adult Zheng would turn out to be a brilliant commander who , in the span of just nine years , unified China . </P>
who won the civil wars of the warring states period in order to become the first emperor of china
King Zhuangxiang of Qin