feudal vassal / feudal princes, esp. the monarchs (dukes or princes) of the several vassal states 諸侯國|诸侯国 / of Zhou during Western Zhou and Spring and Autumn periods 11th-5th century BC / subordinate warlord / local official
进贡
jìn gòng
to offer tribute / to pay tribute that a vassal owes to his suzerain
Yan, a vassal state of Zhou in modern Hebei and Liaoning / north Hebei / the four Yan kingdoms of the Sixteen Kingdoms, namely: Former Yan 前燕[Qian2 Yan1] (337-370), Later Yan 後燕|后燕[Hou4 Yan1] (384-409), Southern Yan 南燕[Nan2 Yan1] (398-410), Northern Yan 北燕[Bei3 Yan1] (409-436)
鲁国
Lǔ guó
Lu, vassal state at the time of the Zhou Dynasty 周朝|周朝[Zhou1 chao2], located in the southwest of present-day Shandong 山東|山东[Shan1 dong1], birthplace of Confucius
Yan, a vassal state of Zhou in modern Hebei and Liaoning / north Hebei / the four Yan kingdoms of the Sixteen Kingdoms, namely: Former Yan 前燕[Qian2 Yan1] (337-370), Later Yan 後燕|后燕[Hou4 Yan1] (384-409), Southern Yan 南燕[Nan2 Yan1] (398-410), Northern Yan 北燕[Bei3 Yan1] (409-436) / surname Yan