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.
That says a lot of a person. One of the weaknesses is a person who is doubleminded or a person who has double allegiance. These men were not of double heart that came from Zebulun, fifty thousand of them.