Deuteronomy 3:2
And the LORD said to me, Fear him not: for I will deliver him, and all his people, and his land, into thy hand; and thou shalt do to him as thou didst to Sihon king of the Amorites, who dwelt at Heshbon.And the LORD said to me, Fear him not: for I will deliver him, and all his people, and his land, into thy hand; and thou shalt do to him as thou didst to Sihon king of the Amorites, who dwelt at Heshbon.