Numbers 2:10-15

“On the south side shall be the standard of the camp of Reuben by their armies, and the leader of the sons of Reuben: Elizur the son of Shedeur, and his army, even their numbered men, 46,500. Those who camp next to him shall be the tribe of Simeon, and the leader of the sons of Simeon: Shelumiel the son of Zurishaddai, and his army, even their numbered men, 59,300. Then comes the tribe of Gad, and the leader of the sons of Gad: Eliasaph the son of Deuel, and his army, even their numbered men, 45,650.