Numbers 21:26 KJV
For 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 unto Arnon.
Numbers 21:26, King James Version
In context
25 And Israel took all these cities: and Israel dwelt in all the cities of the Amorites, in Heshbon, and in all the villages thereof.
26 For 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 unto Arnon.
27 Wherefore they that speak in proverbs say, Come into Heshbon, let the city of Sihon be built and prepared: