Numbers 21:23

But Sihon did not allow Israel to go through his territory. Sihon gathered all his people and went out to meet Israel; he came [to] the desert, to Jahaz, and he fought against Israel.

Judges 11:20

But Sihon did not trust Israel to cross through his territory, so Sihon gathered all his people and then encamped at Jahaz; and he made war with Israel.

Numbers 20:21

So Edom refused to give Israel passage through his territory, and Israel turned aside from him.

Deuteronomy 2:30-32

But Sihon king of Heshbon was not willing to let us cross through his [territory] because Yahweh your God hardened his spirit and {made him obstinate} {in order to give him} into your hand, {just as he has now done}.

Deuteronomy 29:7-8

And [when] you came to this place [then] Sihon the king of Heshbon, and Og the king of Bashan, came out to meet you for battle, and we defeated them.

Isaiah 15:4

And Heshbon and Elealeh cry out, their voice is heard as far as Jahaz; therefore the armed ones of Moab cry out; its soul quivers for him.

Jeremiah 48:34

From the cry for help of Heshbon, up to Elealeh, up to Jahaz, they give their voice, from Zoar up to Horonaim, [up to] Eglath-shelishiyah, for even the waters of Nimrim have become as a desolation.

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 was not willing to let us cross through his [territory] because Yahweh your God hardened his spirit and {made him obstinate} {in order to give him} into your hand, {just as he has now done}.
Deuteronomy 29:7
And [when] you came to this place [then] Sihon the king of Heshbon, and Og the king of Bashan, came out to meet you for battle, and we defeated them.

Jahaz

Judges 11:20
But Sihon did not trust Israel to cross through his territory, so Sihon gathered all his people and then encamped at Jahaz; and he made war with Israel.
Isaiah 15:4
And Heshbon and Elealeh cry out, their voice is heard as far as Jahaz; therefore the armed ones of Moab cry out; its soul quivers for him.
Jeremiah 48:34
From the cry for help of Heshbon, up to Elealeh, up to Jahaz, they give their voice, from Zoar up to Horonaim, [up to] Eglath-shelishiyah, for even the waters of Nimrim have become as a desolation.

General references

Numbers 20:17
Please let us go through your land. We will not go through a field or vineyard, and we will not drink water from a well. We will go along the road of the king; we will not turn aside right or left until we have gone through your territory.'"
Deuteronomy 2:18
'You [are] about to cross over the boundary of Moab {today} at Ar.
Judges 11:20
But Sihon did not trust Israel to cross through his territory, so Sihon gathered all his people and then encamped at Jahaz; and he made war with Israel.
Judges 20:14
And the descendants of Benjamin were gathered from the cities to Gibeah to go out for battle against the {Israelites}.
Psalm 136:19
Sihon the king of the Amorites, for his loyal love [endures] forever.