1 Chronicles 12:37

King James 3 - The Literal Traslation

And from beyond the Jordan: of the Reubenites, and of the Gadites, and of the half tribe of Manasseh, with all of the weapons of war for battle were a hundred and twenty thousand.

Cross References

1 Chronicles 12:36

And of Asher, going out to the army to set in order the battle were forty thousand.

1 Chronicles 12:38

All these were men of war, keeping rank; they came to Hebron with a perfect heart, to make David king over all Israel. And also all the rest of Israel was of one heart, to make David king.

Joshua 14:3

for Moses had given the inheritance of two of the tribes and the half tribe, beyond the Jordan; and he did not give any inheritance to the Levites among them.