Numbers 21:23

And Sihon would not allow Israel to pass through his border. But Sihon gathered all his people, and went out against Israel in the wilderness. And he came to Jahaz and fought against Israel.

Judges 11:20

But Sihon did not trust Israel to pass through his border. But Sihon gathered all his people together and pitched in Jahaz, and fought against Israel.

Numbers 20:21

So Edom refused to give Israel passage through his border. Therefore Israel turned away from him.

Deuteronomy 2:30-32

But Sihon king of Heshbon would not let us pass by him. For Jehovah your God hardened his spirit and made his heart stubborn so that He might deliver him into your hand, as it is this day.

Deuteronomy 29:7-8

And when you came to this place, Sihon the king of Heshbon, and Og the king of Bashan, came out against us to battle, and we struck them.

Isaiah 15:4

And Heshbon shall cry, and Elealeh; their voice shall be heard as far as Jahaz. So the armed soldiers of Moab shall cry out; his life is broken to him.

Jeremiah 48:34

From the cry of Heshbon to Elealeh, and to Jahaz, they have uttered their voice, from Zoar to Horonaim, like a heifer three years old. For the waters of Nimrim also shall be deserted.

Treasury of Scripture Knowledge

Summary

And Sihon would not suffer Israel to pass through his border: but Sihon gathered all his people together, and went out against Israel into the wilderness: and he came to Jahaz, and fought against Israel.

Bible References

Sihon would

Deuteronomy 2:30
But Sihon king of Heshbon would not let us pass by him. For Jehovah your God hardened his spirit and made his heart stubborn so that He might deliver him into your hand, as it is this day.
Deuteronomy 29:7
And when you came to this place, Sihon the king of Heshbon, and Og the king of Bashan, came out against us to battle, and we struck them.

Jahaz

Judges 11:20
But Sihon did not trust Israel to pass through his border. But Sihon gathered all his people together and pitched in Jahaz, and fought against Israel.
Isaiah 15:4
And Heshbon shall cry, and Elealeh; their voice shall be heard as far as Jahaz. So the armed soldiers of Moab shall cry out; his life is broken to him.
Jeremiah 48:34
From the cry of Heshbon to Elealeh, and to Jahaz, they have uttered their voice, from Zoar to Horonaim, like a heifer three years old. For the waters of Nimrim also shall be deserted.

General references

Numbers 20:17
Let us pass, I pray you, through your country. We will not pass through a field, nor through a vineyard, neither will we drink of the water of a well. We will go by the king's highway. We will not turn to the right hand nor to the left until we have passed your borders.
Deuteronomy 2:18
today you are passing over the border of Moab, even Ar.
Judges 11:20
But Sihon did not trust Israel to pass through his border. But Sihon gathered all his people together and pitched in Jahaz, and fought against Israel.
Judges 20:14
And the sons of Benjamin gathered out of the cities to Gibeah, to go out to battle against the sons of Israel.
Psalm 136:19
Sihon king of the Amorites; for His mercy endures forever;