Numbers 10:6

When you blow an alarm the second time, then the camps that lie on the south side shall pull up stakes. They shall blow an alarm for their journeys.

Numbers 2:10-16

On the south side shall be the standard of the camp of Reuben, according to their armies; the ruler of the sons of Reuben shall be Elizur the son of Shedeur.

Numbers 10:18

And the standard of the camp of Reuben pulled up according to their armies. And over his army was Elizur the son of Shedeur.

Treasury of Scripture Knowledge

Summary

When ye blow an alarm the second time, then the camps that lie on the south side shall take their journey: they shall blow an alarm for their journeys.

The camps

Bible References

The camps

Numbers 2:10
On the south side shall be the standard of the camp of Reuben, according to their armies; the ruler of the sons of Reuben shall be Elizur the son of Shedeur.