But Sihon did not permit Israel to pass through his border; he gathered all his forces together and went out against Israel into the wilderness. When he came to Jahaz, he fought against Israel.
TSK
TSK · Deuteronomy 4:46
Treasury of Scripture Knowledge references in NET.
So they defeated Og, his sons, and all his people, until there were no survivors, and they possessed his land.
This took place after the defeat of King Sihon of the Amorites, whose capital was in Heshbon, and King Og of Bashan, whose capital was in Ashtaroth, specifically in Edrei.
But King Sihon of Heshbon was unwilling to allow us to pass near him because the LORD our God had made him obstinate and stubborn so that he might deliver him over to you this very day.
So we settled down in the valley opposite Beth Peor.
He buried him in the valley in the land of Moab near Beth Peor, but no one knows his exact burial place to this very day.
I sent terror ahead of you to drive out before you the two Amorite kings. I gave you the victory; it was not by your swords or bows.