Joshua 12:2

English Standard Version

2 Sihon king of the Amorites who lived at Heshbon and ruled from Aroer, which is on the edge of the Valley of the Arnon, and from the middle of the valley as far as the river Jabbok, the boundary of the Ammonites, that is, half of Gilead, (Ge 32:22; Nu 21:21; De 2:32; De 2:36; De 3:6; De 3:16) 

New International Version

2 Sihon king of the Amorites, who reigned in Heshbon. He ruled from Aroer on the rim of the Arnon Gorge – from the middle of the gorge – to the River Jabbok, which is the border of the Ammonites. This included half of Gilead. 

New International Reader’s Version

2 They took over the land of Sihon. He was the king of the Amorites. He ruled in Heshbon. The land he ruled over begins at Aroer. Aroer is on the rim of the River Arnon valley. Sihon ruled from the middle of the valley to the River Jabbok. The Jabbok is the border of Ammon. Sihon’s territory included half of Gilead. 

King James Version

2 Sihon king of the Amorites, who dwelt in Heshbon, and ruled from Aroer, which is upon the bank of the river Arnon, and from the middle of the river, and from half Gilead, even unto the river Jabbok, which is the border of the children of Ammon;