Joshua 13:8

With him the Reubenites and the Gadites received their inheritance, which Moses gave them, beyond the Jordan eastward, even as Moses the servant of Jehovah gave them:

Joshua 12:6

Moses the servant of Jehovah and the children of Israel smote them: and Moses the servant of Jehovah gave it for a possession unto the Reubenites, and the Gadites, and the half-tribe of Manasseh.

Numbers 32:33-42

And Moses gave unto them, even to the children of Gad, and to the children of Reuben, and unto the half-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, according to the cities thereof with their borders, even the cities of the land round about.

Deuteronomy 3:12-17

And this land we took in possession at that time: from Aroer, which is by the valley of the Arnon, and half the hill-country of Gilead, and the cities thereof, gave I unto the Reubenites and to the Gadites:

Joshua 4:12

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

Joshua 22:4

And now Jehovah your God hath given rest unto your brethren, as he spake unto them: therefore now turn ye, and get you unto your tents, unto the land of your possession, which Moses the servant of Jehovah gave you beyond the 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 the half-tribe of Manasseh, passed over armed before the children of Israel, as Moses spake unto them:
Joshua 22:4
And now Jehovah your God hath given rest unto your brethren, as he spake unto them: therefore now turn ye, and get you unto your tents, unto the land of your possession, which Moses the servant of Jehovah gave you beyond the Jordan.
Numbers 32:33
And Moses gave unto them, even to the children of Gad, and to the children of Reuben, and unto the half-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, according to the cities thereof with their borders, even the cities of the land round about.
Deuteronomy 3:12
And this land we took in possession at that time: from Aroer, which is by the valley of the Arnon, and half the hill-country of Gilead, and the cities thereof, gave I unto the Reubenites and to the Gadites:

General references

Genesis 49:19
Gad, a troop shall press upon him; But he shall press upon their heel.
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 their fathers houses, and the tribe of the children of Gad according to their fathers houses, have received, and the half-tribe of Manasseh have received, their inheritance:
Judges 11:19
And Israel sent messengers unto Sihon king of the Amorites, the king of Heshbon; and Israel said unto him, Let us pass, we pray thee, through thy land unto my place.

American Standard Version Public Domain