Numbers 32:18-21 New American Standard Bible (NASB)

18. We will not return to our homes until every one of the sons of Israel has possessed his inheritance.

19. For we will not have an inheritance with them on the other side of the Jordan and beyond, because our inheritance has fallen to us on this side of the Jordan toward the east."

20. So Moses said to them, "If you will do this, if you will arm yourselves before the Lord for the war,

21. and all of you armed men cross over the Jordan before the Lord until He has driven His enemies out from before Him,

Numbers 32