Yanzi (578-500 BC), a famous baby, was originally named Zhong Ping, also known as Yanzi and Yiwei (now Gaomi, Shandong), and was a famous politician, thinker and diplomat in the Spring and Autumn Period.

Yan Ying is the son of Wei Yan, a doctor of Qi State. In the 26th year of Qi (556 BC), he died of illness, and Yan Ying succeeded to the throne as a doctor. He has served as Qi, Zhuang Gong, etc., and has been an assistant minister for more than 40 years. He is famous for his political foresight, diplomatic ability and simple style.