The families of the Kohathites were to camp on the south side of the tabernacle.

“On the south will be the divisions of the camp of Reuben under their standard. The leader of the people of Reuben is Elizur son of Shedeur.

And when you blow an alarm the second time, then the camps that are located on the south side must begin to travel. An alarm must be sounded for their journeys.