《汉书·志·地理志下》
少吴时代有爽鸠氏，虞、夏的时候有季勋，汤的时候有逢公柏陵，殷代未有薄姑氏，都是诸侯，在逭裹建立国家。
少昊之世有爽鸠氏，虞、夏时有季崱，汤时有逢公柏陵，殷末有薄姑氏，皆为诸侯，国此地。
Shuangjiu ruled during the Shaohao period, Jixun during the Yu and Xia dynasties, Fenggong Boiling during the Tang dynasty, and Bogushi, who established his state in Guan, lived in the late Yin dynasty. All were feudal lords.