Numbers 2:3

The Tribes on the East

2:3 “Now those who will be camping on the east, toward the sunrise, are the divisions of the camp of Judah under their standard. The leader of the people of Judah is Nahshon son of Amminadab.

Numbers 2:10

The Tribes on the South

2:10 “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.