23 Instead of letting Israel pass through his territory, Sihon mustered his entire army and marched out to meet them in the wilderness. He arrived at Jahaz and attacked Israel.
Numbers 21:23 Cross References - ISV
Numbers 20:21
21 That’s how Edom refused Israel passage through their territory. So Israel turned away from there.
Deuteronomy 2:30-32
30 But King Sihon of Heshbon did not allow us to pass through, because the LORD your God had hardened his spirit and made him arrogant, in order to deliver him into your control today.
31 “Then the LORD told me, ‘See, I’ve begun to deliver Sihon and his territory over to you. Prepare to take possession of his land.’
32 “Sihon came out to meet us, including his entire army, at the battle of Jahaz.
31 “Then the LORD told me, ‘See, I’ve begun to deliver Sihon and his territory over to you. Prepare to take possession of his land.’
32 “Sihon came out to meet us, including his entire army, at the battle of Jahaz.
Deuteronomy 29:7-8
Judges 11:20
20 But Sihon didn’t trust Israel to pass through his territory, so he assembled his entire army, encamped in Jahaz, and fought against Israel.
Isaiah 15:4
4 Heshbon and Elealeh cry out, their voices are heard as far as Jahaz; therefore the loins of Moab cry aloud; its heart quakes for itself.
Jeremiah 48:34
34 “From the cry of Heshbon, to Elealeh, to Jahaz they have lifted up their voice. From Zoar to Horonaim and to Eglath-shelishiyah, even the waters of Nimrim will become a desolate place.