Numbers 1:3-8

³from a son of twenty years and upward, every one going out to the host in Israel, ye do number them by their hosts, thou and Aaron;

⁴and with you there is a man for a tribe, each is a head to the house of his fathers.

⁵'And these are the names of the men who stand with you: 'For Reuben — Elizur son of Shedeur.

⁶'For Simeon — Shelumiel son of Zurishaddai.

⁷'For Judah — Nahshon son of Amminadab.

⁸'For Issachar — Nathaneel son of Zuar.