Joshua 12:2
Sihon king of the Amorites, who dwelled in Heshbon, and ruled from Aroer, which is on the bank of the river Arnon, and from the middle of the river, and from half Gilead, even to the river Jabbok, which is the border of the children of Ammon;
Nave's Topical Index—AKJV

Deuteronomy 3:16
And to the Reubenites and to the Gadites I gave from Gilead even to the river Arnon half the valley, and the border even to the river Jabbok, which is the border of the children of Ammon;
Nave's Topical Index—AKJV