燕国
(?
690 BC~
658 BC)
Yan Chong Kung, the son of Marquis Huan Yan, Yan Zhuang public 20 years (before 664), the Shan Rong invasion of Yan State to Qi for help, the Duke to save Yan, defeated Shan Rong tribes, to the solitary pursuit of bamboo ( Hebei Lulong today). Yan Zhuang public to express his gratitude to personally send Huan leave the country, unwittingly sent Qi land 50 years, against the feudal rites, so the Duke Complimentary 50 years, the name Yan left (now Hebei Cangzhou area). Death reigned for 32 years, son of Yan Xianggong throne.