Also referred to as Gongzi, he is a prince of the State of Qin who was sent to the State of Zhao as a hostage in 265 BC. He is described as unwell, preferring not to have many people around, and having a small household with only a few servants. He is gentle and caring toward Zhao Xuwan, concerned about her health and pregnancy. The chapter title suggests he is the father of Ying Zheng.
