Joshua 12:1-2

Young's Literal Translation

12 And these [are] kings of the land whom the sons of Israel have smitten, and possess their land, beyond the Jordan, at the sun-rising, from the brook Arnon unto mount Hermon, and all the plain eastward.

² Sihon, king of the Amorite, who is dwelling in Heshbon, ruling from Aroer which [is] on the border of the brook Arnon, and the middle of the brook, and half of Gilead, and unto Jabok the brook, the border of the Bene-Ammon;