Deuteronomy 3:16

And to the Reubenites and to the Gadites I gave from Gilead even to the river Arnon, the middle of the ravine and its border, as far as the river Jabbok, the border of the children of Ammon;

Numbers 21:24

And Israel smote him with the edge of the sword, and took possession of his land from the Arnon to the Jabbok, even unto the children of Ammon; for the border of the children of Ammon was strong.

Deuteronomy 2:37

Only thou didst not approach the land of the children of Ammon, the whole border of the river Jabbok, nor the cities of the mountain, nor to whatsoever Jehovah our God had forbidden us.

2 Samuel 24:5

And they passed over the Jordan, and encamped in Aroer, on the right side of the city that is in the midst of the ravine of Gad, and toward Jaazer.

Genesis 32:22

And he rose up that night, and took his two wives, and his two maidservants, and his eleven sons, and passed over the ford of the Jabbok;

Numbers 32:33-38

And Moses gave to them, 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 the king of Bashan, the land, according to its cities and territories, the cities of the land round about.

Joshua 12:2-3

Sihon the king of the Amorites, who dwelt at Heshbon, and ruled from Aroer, which is upon the bank of the river Arnon, and from the middle of the ravine, and over half Gilead, as far as the river Jabbok, which is 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 to them, 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 the king of Bashan, the land, according to its cities and territories, the cities of the land round about.
2 Samuel 24:5
And they passed over the Jordan, and encamped in Aroer, on the right side of the city that is in the midst of the ravine of Gad, and toward Jaazer.

River jabbok

Deuteronomy 2:37
Only thou didst not approach the land of the children of Ammon, the whole border of the river Jabbok, nor the cities of the mountain, nor to whatsoever Jehovah our God had forbidden us.
Genesis 32:22
And he rose up that night, and took his two wives, and his two maidservants, and his eleven sons, and passed over the ford of the Jabbok;
Numbers 21:24
And Israel smote him with the edge of the sword, and took possession of his land from the Arnon to the Jabbok, even unto the children of Ammon; for the border of the children of Ammon was strong.
Joshua 12:2
Sihon the king of the Amorites, who dwelt at Heshbon, and ruled from Aroer, which is upon the bank of the river Arnon, and from the middle of the ravine, and over half Gilead, as far as the river Jabbok, which is the border of the children of Ammon;

General references

Numbers 21:31
And Israel dwelt in the land of the Amorites.
Numbers 34:14
For the tribe of the children of the Reubenites according to their fathers' houses, and the tribe of the children of the Gadites according to their fathers' houses, have received, and half the tribe of Manasseh have received their inheritance;
Psalm 136:21
And gave their land for an inheritance, for his loving-kindness endureth for ever,