Numbers 32:27-29

Revised Standard Version

²⁷ but your servants will pass over, every man who is armed for war, before the Lord to battle, as my lord orders.”

²⁸ So Moses gave command concerning them to Elea′zar the priest, and to Joshua the son of Nun, and to the heads of the fathers’ houses of the tribes of the people of Israel. ²⁹ And Moses said to them, “If the sons of Gad and the sons of Reuben, every man who is armed to battle before the Lord, will pass with you over the Jordan and the land shall be subdued before you, then you shall give them the land of Gilead for a possession;