Numbers 10:18-20

¹⁸And the standard of the camp of Reuben set forward according to their armies: and over his host was Elizur the son of Shedeur.

¹⁹And over the host of the tribe of the children of Simeon was Shelumiel the son of Zurishaddai.

²⁰And over the host of the tribe of the children of Gad was Eliasaph the son of Deuel.