《汉书·传·陈胜项籍传》
汉王说： 我与项王一起面向北接受怀王的命令，相约为兄弟，我的老爹就是你的老爹。
汉王曰： 吾与若俱北面受命怀王，约为兄弟，吾翁即汝翁。
The King of Han said: I, together with the King of Xiang, faced north and received the order of King Huai. We vowed to be brothers, and my father would be your father.