Num 32:29-32, Deu 3:18-20, Jos 4:12-13 | ESV | STEP | And Moses said to them, If the people of Gad and the people 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 .

Numbers 32:29-32

29 And Moses said to them, “If the people of Gad and the people 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. 30 However, if they will not pass over with you armed, they shall have possessions among you in the land of Canaan.” 31 And the people of Gad and the people of Reuben answered, “What the Lord has said to your servants, we will do. 32 We will pass over armed before the Lord into the land of Canaan, and the possession of our inheritance shall remain with us beyond the Jordan.”

Deuteronomy 3:18-20

18 “And I commanded you at that time, saying, ‘The Lord your God has given you this land to possess. ^aAll your men of valor shall cross over armed before your brothers, the people of Israel. 19 Only your wives, your little ones, and your livestock ^b(I know that you have much livestock) shall remain in the cities that I have given you, 20 ^cuntil the Lord gives rest to your brothers, as to you, and they also occupy the land that the Lord your God gives them beyond the Jordan. Then each of you may return to his possession which I have given you.’

Joshua 4:12-13

12 The sons of Reuben and the sons of Gad and the half-tribe of Manasseh ^dpassed over armed before the people of Israel, as Moses had told them. 13 About 40,000 ready for war passed over before the Lord for battle, to the plains of Jericho.