Tribe of Judah: Place of, in Encampments and the March
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Numbers 2:3, 9
On the east side, toward the sunrise, the divisions of Judah are to camp under their standard: The leader of the descendants of Judah is Nahshon son of Amminadab, / The total number of men in the divisions of the camp of Judah is 186,400; they shall set out first.
Numbers 10:14
First, the divisions of the camp of Judah set out under their standard, with Nahshon son of Amminadab in command.