《汉书·志·五行志中之上》
当时，周王有个爱子，叫子鼂。周王与宾起暗中商议要立他为太子。
是时王有爱子子晁，王与宾起阴谋欲立之。
At that time, the King of Zhou had a beloved son called Zihe. The King of Zhou secretly discussed with Bin Qi that he wish to make Zihe the crown prince. 