1 Chronicles 27:1-3

New King James Version

The Military Divisions

27 And the children of Israel, according to their number, the heads of fathers’ houses, the captains of thousands and hundreds and their officers, served the king in every matter of the military divisions. These divisions came in and went out month by month throughout all the months of the year, each division having twenty-four thousand.

² Over the first division for the first month was ^(A)Jashobeam the son of Zabdiel, and in his division were twenty-four thousand; ³ he was of the children of Perez, and the chief of all the captains of the army for the first month.