Liu Bei the eldest, Guan Yu the second-oldest and Zhang Fei the youngest. They vowed devotion to China. Later, the three sworn Brothers had successful career.

• 按年龄刘备为大哥,关羽为二哥,张飞为三弟。并发誓"同心协力,报效国家。"此后,三人果然作出一番惊天动地的事业。