1 Kings 4:19

Geber the son of Uri [was] in the land of Gilead, the land of Sihon, the king of the Amorites, and of Og, the king of Bashan; one governor which [was] over the land.

Numbers 21:21-35

Israel sent messengers to Sihon, the king of the Amorites, saying,

Deuteronomy 2:26-17

"So I sent messengers from the wilderness of Kedemoth to Sihon king of Heshbon; [I sent] terms of peace, {saying},

Joshua 13:9-12

from Aroer, which [is] on the edge of the wadi of Arnon, and the city which [is] in the middle of the wadi, and all the plateau [from] Medeba up 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
Israel sent messengers to Sihon, the king of the Amorites, saying,
Deuteronomy 2:26
"So I sent messengers from the wilderness of Kedemoth to Sihon king of Heshbon; [I sent] terms of peace, {saying},
Deuteronomy 3:1
"Then we turned, and we went up the road to Bashan, and Og the king of Bashan came out to meet us, he and all [of] his army for the battle [at] Edrei.
Joshua 13:9
from Aroer, which [is] on the edge of the wadi of Arnon, and the city which [is] in the middle of the wadi, and all the plateau [from] Medeba up to Dibon;