Numbers 21:26-31

²⁶For Heshbon was the city of Sihon the king of the Amorites, who had fought against the former king of Moab, and taken all his land out of his hand, even to Arnon.

²⁷Wherefore they that speak in proverbs say, Come into Heshbon, let the city of Sihon be built and prepared.

²⁸For there has a fire gone out of Heshbon, a flame from the city of Sihon: it hath consumed Ar of Moab, and the lords of the high places of Arnon.

²⁹Woe to thee, Moab! thou art undone, O people of Chemosh: he hath given his sons that escaped, and his daughters, into captivity to Sihon king of the Amorites.

³⁰We have shot at them; Heshbon has perished even to Dibon, and we have laid them waste even to Nophah, which reacheth to Medeba.

³¹Thus Israel dwelt in the land of the Amorites.