战国  (?～441 BC)

Last Name：	姬
First Name：	介
Start End Reign 468 BC 441 BC 周贞定王 468 BC 441 BC 

　　Zhou Zhen be king (died 441 BC), surnamed Ji, were referred, the Eastern Zhou Dynasty monarch, posthumous title of Wang Zhen set. He is the son of King Yuan of Zhou. Yuan Wang died subsequent bit. 28-year reign, died, was buried for an unknown.
　　Posthumous name dispute