Numbers 21:21-35

Then Israel sent messengers to Sihon, king of the Amorites, saying, “Let me pass through your land; we will not turn away [from the road] into field or vineyard; we will not drink the water of the wells. We will go by the king’s highway until we have crossed your border.” But Sihon would not allow Israel to pass through his border. Instead Sihon gathered all his people together and went out against Israel into the wilderness, and came to Jahaz, and he fought against Israel. Then Israel struck the king of the Amorites with the edge of the sword and took possession of his land from the Arnon to the Jabbok, as far as the Ammonites, for the boundary of the Ammonites was strong. Israel took all these cities, and settled in all the cities of the Amorites, in Heshbon and in all its towns. For Heshbon was the city of Sihon, king of the Amorites, who had fought against the former king of Moab and had taken all his land out of his hand, as far as the Arnon. That is why those who use proverbs say, “Come to Heshbon, Let the city of Sihon be built and established. “For fire has gone out of Heshbon, A flame from the city of Sihon; It devoured Ar of Moab And the lords of the heights of the Arnon. “Woe (judgment is coming) to you, Moab! You are destroyed, O people of [the god] Chemosh! Moab has given his sons as fugitives [that is, survivors of battle], And his daughters into captivity To Sihon king of the Amorites. “We have shot them down [with arrows]; Heshbon is destroyed as far as Dibon, And we have laid them waste as far as Nophah, Which reaches to Medeba.” Thus Israel settled in the land of the Amorites. Now Moses sent men to spy out Jazer, and they overthrew its villages and dispossessed the Amorites who were there. Then they turned and went up by the way of Bashan; and Og the king of Bashan went out against them, he and all his people, to battle at Edrei. But the LORD said to Moses, “Do not fear him, for I have handed over him and all his people and his land to you; and you shall do to him just as you did to Sihon king of the Amorites, who lived at Heshbon.” So the sons of Israel killed Og and his sons and all his people, until there was no survivor left to him; and they took possession of his land.