1 Chronicles 12:33

12:33 Of Zebulun, such as were able to go out in the host, who could set the battle in array, with all manner of instruments of war, fifty thousand, and who could order [the battle array, and were] not of double heart.
-World English Bible

Other Translation

12:33 Of Zebulun, such as went forth to battle, expert in war, with all instruments of war, fifty thousand, which could keep rank: [they were] not of double heart.
-King James Version