Joshua 13:8

With whom the Reubenites and the Gadites have received their inheritance, which Moses gave them, beyond Jordan eastward, even as Moses the servant of the LORD gave them.

Joshua 12:6

Them did Moses the servant of the LORD, and the children of Israel smite: and Moses the servant of the LORD gave it for a possession to the Reubenites, and the Gadites, and the half-tribe of Manasseh.

Numbers 32:33-42

And Moses gave to them, even to the children of Gad, and to the children of Reuben, and to half the tribe of Manasseh the son of Joseph, the kingdom of Sihon king of the Amorites, and the kingdom of Og king of Bashan, the land, with its cities in the borders, even the cities of the country around.

Deuteronomy 3:12-17

And this land, which we possessed at that time, from Aroer, which is by the river Arnon, and half mount Gilead, and its cities, I gave to the Reubenites and to the Gadites.

Joshua 4:12

And the children of Reuben, and the children of Gad, and half the tribe of Manasseh, passed over armed before the children of Israel, as Moses directed them:

Joshua 22:4

And now the LORD your God hath given rest to your brethren, as he promised them: therefore now return ye, and go to your tents, and to the land of your possession, which Moses the servant of the LORD gave you on the other side of Jordan.

Treasury of Scripture Knowledge

Summary

With whom the Reubenites and the Gadites have received their inheritance, which Moses gave them, beyond Jordan eastward, even as Moses the servant of the LORD gave them;

Bible References

Moses gave

Joshua 4:12
And the children of Reuben, and the children of Gad, and half the tribe of Manasseh, passed over armed before the children of Israel, as Moses directed them:
Joshua 22:4
And now the LORD your God hath given rest to your brethren, as he promised them: therefore now return ye, and go to your tents, and to the land of your possession, which Moses the servant of the LORD gave you on the other side of Jordan.
Numbers 32:33
And Moses gave to them, even to the children of Gad, and to the children of Reuben, and to half the tribe of Manasseh the son of Joseph, the kingdom of Sihon king of the Amorites, and the kingdom of Og king of Bashan, the land, with its cities in the borders, even the cities of the country around.
Deuteronomy 3:12
And this land, which we possessed at that time, from Aroer, which is by the river Arnon, and half mount Gilead, and its cities, I gave to the Reubenites and to the Gadites.

General references

Genesis 49:19
Gad, a troop shall overcome him: but he shall overcome at the last.
Numbers 21:31
Thus Israel dwelt in the land of the Amorites.
Numbers 34:14
For the tribe of the children of Reuben, according to the house of their fathers, and the tribe of the children of Gad according to the house of their fathers, have received their inheritance; and half the tribe of Manasseh have received their inheritance:
Judges 11:19
And Israel sent messengers to Sihon king of the Amorites, the king of Heshbon; and Israel said to him, Let us pass, we pray thee, through thy land to my place.