Deuteronomy 3:6

And we completely destroyed them, as we did to Sihon king of Heshbon, completely destroying the men, women, and children of every city.

Deuteronomy 2:34

And we took all his cities at that time and completely destroyed the men and the women and the little ones of every city. We left none to remain.

Deuteronomy 2:24

Rise up, set out and cross over the river Arnon. Behold! I have given into your hand Sihon the Amorite, king of Heshbon, and his land. Begin to possess, and fight with him in battle.

Psalm 135:10-12

who struck great nations and killed mighty kings,

Leviticus 27:28-29

However, no devoted thing that a man shall devote to Jehovah of all that he has, either of man or animal, or of the field of his possession, shall be sold or redeemed. Every devoted thing is most holy to Jehovah.

Numbers 21:2

And Israel vowed a vow to Jehovah and said, If You will indeed deliver this people into my hand, then I will completely destroy their cities.

Deuteronomy 3:2

And Jehovah said to me, Do not fear him, for I will deliver him and all his people, and his land, into your hand. And you shall do to him as you did to Sihon king of the Amorites, who lived at Heshbon.

Deuteronomy 20:16-18

But of the cities of these people, which Jehovah your God gives you for an inheritance, you shall save alive nothing that breathes.

Joshua 11:14

And all the spoil of these cities and the cattle the sons of Israel took for a prize to themselves. But they struck every man with the edge of the sword, until they had destroyed them. They left none breathing.

Psalm 136:19-21

Sihon king of the Amorites; for His mercy endures forever;

Treasury of Scripture Knowledge

Summary

And we utterly destroyed them, as we did unto Sihon king of Heshbon, utterly destroying the men, women, and children, of every city.

Bible References

We utterly

Deuteronomy 2:34
And we took all his cities at that time and completely destroyed the men and the women and the little ones of every city. We left none to remain.
Deuteronomy 20:16
But of the cities of these people, which Jehovah your God gives you for an inheritance, you shall save alive nothing that breathes.
Leviticus 27:28
However, no devoted thing that a man shall devote to Jehovah of all that he has, either of man or animal, or of the field of his possession, shall be sold or redeemed. Every devoted thing is most holy to Jehovah.
Numbers 21:2
And Israel vowed a vow to Jehovah and said, If You will indeed deliver this people into my hand, then I will completely destroy their cities.
Joshua 11:14
And all the spoil of these cities and the cattle the sons of Israel took for a prize to themselves. But they struck every man with the edge of the sword, until they had destroyed them. They left none breathing.

As we did

Deuteronomy 3:2
And Jehovah said to me, Do not fear him, for I will deliver him and all his people, and his land, into your hand. And you shall do to him as you did to Sihon king of the Amorites, who lived at Heshbon.
Deuteronomy 2:24
Rise up, set out and cross over the river Arnon. Behold! I have given into your hand Sihon the Amorite, king of Heshbon, and his land. Begin to possess, and fight with him in battle.
Psalm 135:10
who struck great nations and killed mighty kings,
Psalm 136:19
Sihon king of the Amorites; for His mercy endures forever;