Deuteronomy 3:16

To the Reubenites and to the Gadites I gave from Gilead even as far as the valley of Arnon, the middle of the valley as a border and as far as the river Jabbok, the border of the sons of Ammon;

Numbers 21:24

Then Israel struck him with the edge of the sword, and took possession of his land from the Arnon to the Jabbok, as far as the sons of Ammon; for the border of the sons of Ammon was Jazer.

Deuteronomy 2:37

Only you did not go near to the land of the sons of Ammon, all along the river Jabbok and the cities of the hill country, and wherever the Lord our God had commanded us.

2 Samuel 24:5

They crossed the Jordan and camped in Aroer, on the right side of the city that is in the middle of the valley of Gad and toward Jazer.

Genesis 32:22

Now he arose that same night and took his two wives and his two maids and his eleven children, and crossed the ford of the Jabbok.

Numbers 32:33-38

So Moses gave to them, to the sons of Gad and to the sons of Reuben and to the half-tribe of Joseph’s son Manasseh, the kingdom of Sihon, king of the Amorites and the kingdom of Og, the king of Bashan, the land with its cities with their territories, 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, both the middle of the valley and half of Gilead, even as far as the brook 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
So Moses gave to them, to the sons of Gad and to the sons of Reuben and to the half-tribe of Joseph’s son Manasseh, the kingdom of Sihon, king of the Amorites and the kingdom of Og, the king of Bashan, the land with its cities with their territories, the cities of the surrounding land.
2 Samuel 24:5
They crossed the Jordan and camped in Aroer, on the right side of the city that is in the middle of the valley of Gad and toward Jazer.

River jabbok

Deuteronomy 2:37
Only you did not go near to the land of the sons of Ammon, all along the river Jabbok and the cities of the hill country, and wherever the Lord our God had commanded us.
Genesis 32:22
Now he arose that same night and took his two wives and his two maids and his eleven children, and crossed the ford of the Jabbok.
Numbers 21:24
Then Israel struck him with the edge of the sword, and took possession of his land from the Arnon to the Jabbok, as far as the sons of Ammon; for the border of the sons of Ammon was Jazer.
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, both the middle of the valley and half of Gilead, even as far as the brook Jabbok, the border of the sons of Ammon;

General references

Numbers 21:31
Thus Israel lived in the land of the Amorites.
Numbers 34:14
For the tribe of the sons of Reuben have received theirs according to their fathers’ households, and the tribe of the sons of Gad according to their fathers’ households, and the half-tribe of Manasseh have received their possession.
Psalm 136:21
And gave their land as a heritage,
For His lovingkindness is everlasting,