2 Samuel 18:2

Bishops(i) 2 And Dauid set foorth the third part of the people vnder the hande of Ioab, and the third part vnder the hand of Abisai the sonne of Zaruia Ioabs brother, and the other third part vnder the hand of Ithai the Gethite: And the king said vnto the people, I will go with you my selfe also