Numbers 2:10-15

To the south are the companies of the camp of Reuben under its flag, led by Elizur son of Shedeur. His troops number 46,500. The tribe of Simeon will camp next to them, led by Shelumiel son of Zurishaddai. His troops number 59,300. And the tribe of Gad is next to them, led by Eliasaph son of Deuel. His troops number 45,650.