Joahaz was twenty-three years old when he began to reign; and he reigned three months in Jerusalem.

Moreover Amaziah gathered Judah together, and ordered them according to their fathers' houses, under captains of thousands and captains of hundreds, even all Judah and Benjamin: and he numbered them from twenty years old and upward, and found them three hundred thousand chosen men, able to go forth to war, who could handle spear and shield.