Deuteronomy 3:16

And unto Reuben and Gad, I gave from Gilead unto the river of Arnon and half the valley and the coast, even unto the river Jabbok which is the border of the children of Ammon,

Numbers 21:24

And Israel smote him with the edge of the sword and conquered his land, from Arnon unto Jabbok: even unto the children of Ammon. For the borders of the children of Ammon are strong.

Deuteronomy 2:37

only, unto the land of the children of Ammon ye came not, nor unto all the coast of the river Jabbok nor unto the cities in the mountains, nor unto whatsoever the LORD our God forbade us.

2 Samuel 24:5

And they passed over Jordan and pitched in Aroer on the right side of the city that lieth in the midst of the valley of Gad and so forth to Jazer.

Genesis 32:22

and rose up the same night and took his two wives and his two maidens and his eleven sons, and went over the ford Jabbok.

Numbers 32:33-38

And Moses gave unto the children of Gad and 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 that belonged unto the cities thereof in the coasts of the country round about.

Joshua 12:2-3

Sihon king of the Amorites that dwelt in Heshbon, and ruled from Aroer, which lieth on the brim of the river of Arnon, and to the middle of the river, and half Gilead unto the river Jabbok, the border of the children of Ammon;

Treasury of Scripture Knowledge

Summary

And unto the Reubenites and unto the Gadites I gave from Gilead even unto the river Arnon half the valley, and the border even unto the river Jabbok, which is the border of the children of Ammon;

Bible References

Reubenites

Numbers 32:33
And Moses gave unto the children of Gad and 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 that belonged unto the cities thereof in the coasts of the country round about.
2 Samuel 24:5
And they passed over Jordan and pitched in Aroer on the right side of the city that lieth in the midst of the valley of Gad and so forth to Jazer.

River jabbok

Deuteronomy 2:37
only, unto the land of the children of Ammon ye came not, nor unto all the coast of the river Jabbok nor unto the cities in the mountains, nor unto whatsoever the LORD our God forbade us.
Genesis 32:22
and rose up the same night and took his two wives and his two maidens and his eleven sons, and went over the ford Jabbok.
Numbers 21:24
And Israel smote him with the edge of the sword and conquered his land, from Arnon unto Jabbok: even unto the children of Ammon. For the borders of the children of Ammon are strong.
Joshua 12:2
Sihon king of the Amorites that dwelt in Heshbon, and ruled from Aroer, which lieth on the brim of the river of Arnon, and to the middle of the river, and half Gilead unto the river Jabbok, the border of the children of Ammon;

General references

Numbers 21:31
And thus Israel dwelt in the land of the Amorites.
Numbers 34:14
for the tribe of the children of Reuben have received, in the households of their fathers; and the tribe of the children of Gad in their fathers' households; and the half tribe of Manasseh, have received their inheritance -
Psalm 136:21
And gave away their land for a heritage! For his mercy endureth forever.