1 Kings 4:19

Geber son of Uri: the region of Gilead, which had been ruled by King Sihon of the Amorites and King Og of Bashan. Besides these twelve, there was one governor over all the land.

Numbers 21:21-35

The people of Israel sent messengers to the Amorite king Sihon to say:

Deuteronomy 2:26-17

I sent messengers from the desert of Kedemoth to King Sihon of Heshbon with the following offer of peace:

Joshua 13:9-12

From Aroer, that is upon the bank of the river Arnon, and the city that is in the midst of the river, and all the plain of Medeba to Dibon

Treasury of Scripture Knowledge

Summary

Geber the son of Uri was in the country of Gilead, in the country of Sihon king of the Amorites, and of Og king of Bashan; and he was the only officer which was in the land.

Bible References

The country of sihon

Numbers 21:21
The people of Israel sent messengers to the Amorite king Sihon to say:
Deuteronomy 2:26
I sent messengers from the desert of Kedemoth to King Sihon of Heshbon with the following offer of peace:
Deuteronomy 3:1
Next we headed for the land of Bashan. King Og of Bashan and all his army came to fight us at Edrei.
Joshua 13:9
From Aroer, that is upon the bank of the river Arnon, and the city that is in the midst of the river, and all the plain of Medeba to Dibon