Deuteronomy 3:6

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

Deuteronomy 2:34

And we took all his cities at that time and utterly destroyed all the cities, the men and the women and the little ones; we left none to remain.

Deuteronomy 2:24

Rise ye up, take your journey, and pass the river Arnon; behold, I have given into thine hand Sihon, the Amorite king of Heshbon, and his land; begin, take possession and contend with him in battle.

Psalm 135:10-12

He who smote many Gentiles and slew mighty kings,

Leviticus 27:28-29

But no anathema, that anyone shall devote unto the LORD of all that they have of men and animals and of the fields of his possession, shall be sold or redeemed. All anathema is most holy unto the LORD.

Numbers 21:2

Then Israel vowed a vow unto the LORD and said, If thou wilt 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 have delivered him and all his people and his land into thy hand, and thou shalt do unto him as thou didst unto Sihon, king of the Amorites, who dwelt at Heshbon.

Deuteronomy 20:16-18

Only of the cities of these peoples, which the LORD thy God gives thee for an inheritance, thou shalt save alive nothing that breathes;

Joshua 11:14

And all the spoil of these cities and the beasts, the sons of Israel took for themselves; but every man they smote with the edge of the sword until they had destroyed them, without leaving any that breathed.

Psalm 136:19-21

Sihon king of the Amorites: for his mercy endures for ever:

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 all the cities, the men and the women and the little ones; we left none to remain.
Deuteronomy 20:16
Only of the cities of these peoples, which the LORD thy God gives thee for an inheritance, thou shalt save alive nothing that breathes;
Leviticus 27:28
But no anathema, that anyone shall devote unto the LORD of all that they have of men and animals and of the fields of his possession, shall be sold or redeemed. All anathema is most holy unto the LORD.
Numbers 21:2
Then Israel vowed a vow unto the LORD and said, If thou wilt 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 beasts, the sons of Israel took for themselves; but every man they smote with the edge of the sword until they had destroyed them, without leaving any that breathed.

As we did

Deuteronomy 3:2
And the LORD said unto me, Fear him not, for I have delivered him and all his people and his land into thy hand, and thou shalt do unto him as thou didst unto Sihon, king of the Amorites, who dwelt at Heshbon.
Deuteronomy 2:24
Rise ye up, take your journey, and pass the river Arnon; behold, I have given into thine hand Sihon, the Amorite king of Heshbon, and his land; begin, take possession and contend with him in battle.
Psalm 135:10
He who smote many Gentiles and slew mighty kings,
Psalm 136:19
Sihon king of the Amorites: for his mercy endures for ever: