Deuteronomy 3:6

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

Deuteronomy 2:34

And we took all his cities at that time, and utterly destroyed the men, and the women, and the little ones, of every city, we left none to remain:

Deuteronomy 2:24

Rise up, take your journey, and pass over the river Arnon: behold, I have given into your hand Sihon the Amorite, king of Heshbon, and his land: begin to possess it, and contend with him in battle.

Psalm 135:10-12

Who struck great nations, and slew mighty kings;

Leviticus 27:28-29

Nevertheless no devoted thing, that a man shall devote unto the LORD of all that he has, both of man and animal, and of the field of his possession, shall be sold or redeemed: every devoted thing is most holy unto the LORD.

Numbers 21:2

And Israel vowed a vow unto the LORD, and said, If you will indeed deliver this people into my hand, then I will utterly destroy their cities.

Deuteronomy 3:2

And the LORD said unto me, Fear him not: for I will deliver him, and all his people, and his land, into your hand; and you shall do unto him as you did unto Sihon king of the Amorites, who dwelt at Heshbon.

Deuteronomy 20:16-18

But of the cities of these people, which the LORD your God does give 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 children of Israel took for a prey unto themselves; but every man they struck with the edge of the sword, until they had destroyed them, neither left they any that breathed.

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 utterly 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 the LORD your God does give you for an inheritance, you shall save alive nothing that breathes:
Leviticus 27:28
Nevertheless no devoted thing, that a man shall devote unto the LORD of all that he has, both of man and animal, and of the field of his possession, shall be sold or redeemed: every devoted thing is most holy unto the LORD.
Numbers 21:2
And Israel vowed a vow unto the LORD, and said, If you will indeed deliver this people into my hand, then I will utterly destroy their cities.
Joshua 11:14
And all the spoil of these cities, and the cattle, the children of Israel took for a prey unto themselves; but every man they struck with the edge of the sword, until they had destroyed them, neither left they any that breathed.

As we did

Deuteronomy 3:2
And the LORD said unto me, Fear him not: for I will deliver him, and all his people, and his land, into your hand; and you shall do unto him as you did unto Sihon king of the Amorites, who dwelt at Heshbon.
Deuteronomy 2:24
Rise up, take your journey, and pass over the river Arnon: behold, I have given into your hand Sihon the Amorite, king of Heshbon, and his land: begin to possess it, and contend with him in battle.
Psalm 135:10
Who struck great nations, and slew mighty kings;
Psalm 136:19
Sihon king of the Amorites: for his mercy endures forever: