Deuteronomy 3:18

'And I command you, at that time, saying, Jehovah your God hath given to you this land to possess it; armed ye pass over before your brethren the sons of Israel, all the sons of might.

Joshua 4:12-13

and the sons of Reuben, and the sons of Gad, and the half of the tribe of Manasseh, pass over, by fifties, before the sons of Israel, as Moses had spoken unto them;

Numbers 32:20-24

And Moses saith unto them, 'If ye do this thing: if ye are armed before Jehovah for battle,

Joshua 1:12-15

And to the Reubenite, and to the Gadite, and to the half of the tribe of Manasseh, hath Joshua spoken, saying,

Joshua 22:1-9

Then Joshua calleth for the Reubenite, and for the Gadite, and for the half of the tribe of Manasseh,

Treasury of Scripture Knowledge

Summary

And I commanded you at that time, saying, The LORD your God hath given you this land to possess it: ye shall pass over armed before your brethren the children of Israel, all that are meet for the war.

General references

Bible References

I commanded

Numbers 32:20
And Moses saith unto them, 'If ye do this thing: if ye are armed before Jehovah for battle,
Joshua 1:12
And to the Reubenite, and to the Gadite, and to the half of the tribe of Manasseh, hath Joshua spoken, saying,
Joshua 4:12
and the sons of Reuben, and the sons of Gad, and the half of the tribe of Manasseh, pass over, by fifties, before the sons of Israel, as Moses had spoken unto them;
Joshua 22:1
Then Joshua calleth for the Reubenite, and for the Gadite, and for the half of the tribe of Manasseh,

General references

Numbers 32:17
and we -- we are armed hasting before the sons of Israel till that we have brought them in unto their place; and our infants have dwelt in the cities of defence because of the inhabitants of the land;