Deuteronomy 3:16

And I gave to the Reubenites and to the Gadites 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 sons of Ammon,

Numbers 21:24

And Israel smote him with the edge of the sword, and possessed his land from the Arnon to the Jabbok, even to the sons of Ammon, for the border of the sons of Ammon was strong.

Deuteronomy 2:37

Only to the land of the sons of Ammon thou did not come near, all the side of the river Jabbok, and the cities of the hill-country, and wherever LORD our God forbad 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 middle of the valley of Gad, and to Jazer.

Genesis 32:22

And he rose up that night, and took his two wives, and his two handmaids, and his eleven children, and passed over the ford of the Jabbok.

Numbers 32:33-38

And Moses gave to them, even to the sons of Gad, and to the sons 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 t

Joshua 12:2-3

Sihon king of the Amorites, who dwelt 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 sons 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, even to the sons of Gad, and to the sons 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 t
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 middle of the valley of Gad, and to Jazer.

River jabbok

Deuteronomy 2:37
Only to the land of the sons of Ammon thou did not come near, all the side of the river Jabbok, and the cities of the hill-country, and wherever LORD our God forbad us.
Genesis 32:22
And he rose up that night, and took his two wives, and his two handmaids, and his eleven children, and passed over the ford of the Jabbok.
Numbers 21:24
And Israel smote him with the edge of the sword, and possessed his land from the Arnon to the Jabbok, even to the sons of Ammon, for the border of the sons of Ammon was strong.
Joshua 12:2
Sihon king of the Amorites, who dwelt 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 sons of Ammon,

General references

Numbers 21:31
Thus Israel dwelt in the land of the Amorites.
Numbers 34:14
For the tribe of the sons 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 for a heritage, for his loving kindness [is] forever,