Numbers 21:26

21:26 For Heshbon was the city of King Sihon of the Amorites. Now he had fought against the former king of Moab and had taken all of his land from his control, as far as the Arnon.

Numbers 21:30

21:30 We have overpowered them;

Heshbon has perished as far as Dibon.

We have shattered them as far as Nophah,

which reaches to Medeba.”