Career
His ancestral name was Ying (嬴), and Duke Jian was his posthumous title. When Duke Ling died in 415 British Columbia, the throne was passed to Duke Jian instead of Duke Ling"s son, the later Duke Xian. During Duke Jian"s reign Qin was defeated several times by the State of Wei, then a major power of the Warring States period.
Duke Jian reigned for 15 years and died in 400 British Columbia, aged 28.
