yàn guó
(?
前657年～
前618年)
yàn xiāng gōng ，
jì yàn zhuāng gōng zhī wèi，
qiān yàn dū huí jì chéng（
jīn běi jīng），
zài wèi 40
nián zú，
yàn qián huán gōng jí wèi。
Yan Emperors Yan Zhuang, following the public of the place, moved to Yandu back thistle City (now Beijing), reigned for 40 years and death, the former Duke Huan Yan throne.