Deuteronomy 3:16

To the Reubenites and to the Gadites I gave from Gilead even to the valley of the Arnon, the middle of the valley, and the border [of it], even to the river Jabbok, which is the border of the children of Ammon;

Numbers 21:24

Israel struck him with the edge of the sword, and possessed his land from the Arnon to the Jabbok, even to the children of Ammon; for the border of the children of Ammon was strong.

Deuteronomy 2:37

only to the land of the children of Ammon you didn't come near; all the side of the river Jabbok, and the cities of the hill country, and wherever Yahweh our God forbade us.

2 Samuel 24:5

They passed over the Jordan, and encamped in Aroer, on the right side of the city that is in the middle of the valley of Gad, and to Jazer:

Genesis 32:22

He rose up that night, and took his two wives, and his two handmaids, and his eleven sons, and passed over the ford of the Jabbok.

Numbers 32:33-38

Moses gave to them, even to the children of Gad, and to the children of Reuben, and to 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 of it with [their] borders, even the cities of the surrounding land.

Joshua 12:2-3

Sihon king of the Amorites, who lived in Heshbon, and ruled from Aroer, which is on the edge of the valley of the Arnon, and the middle of the valley, and half Gilead, even to 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
Moses gave to them, even to the children of Gad, and to the children of Reuben, and to 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 of it with [their] borders, even the cities of the surrounding land.
2 Samuel 24:5
They passed over the Jordan, and encamped in Aroer, on the right side of the city that is in the middle of the valley of Gad, and to Jazer:

River jabbok

Deuteronomy 2:37
only to the land of the children of Ammon you didn't come near; all the side of the river Jabbok, and the cities of the hill country, and wherever Yahweh our God forbade us.
Genesis 32:22
He rose up that night, and took his two wives, and his two handmaids, and his eleven sons, and passed over the ford of the Jabbok.
Numbers 21:24
Israel struck him with the edge of the sword, and possessed his land from the Arnon to the Jabbok, even to the children of Ammon; for the border of the children of Ammon was strong.
Joshua 12:2
Sihon king of the Amorites, who lived in Heshbon, and ruled from Aroer, which is on the edge of the valley of the Arnon, and the middle of the valley, and half Gilead, even to the river Jabbok, the border of the children of Ammon;

General references

Numbers 21:31
Thus Israel lived 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:
Psalm 136:21
And gave their land as an inheritance; for his loving kindness endures forever;