Deuteronomy 3:6

And we utterly destroyed them, as we did unto Sihon king of Heshbon, utterly destroying every inhabited city, with the women and the little ones.

Deuteronomy 2:34

And we took all his cities at that time, and utterly destroyed every inhabited city, with the women and the little ones; we left none remaining:

Deuteronomy 2:24

Rise ye up, take your journey, and pass over the valley of the Arnon: behold, I have given into thy 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 smote many nations, And slew mighty kings,

Leviticus 27:28-29

Notwithstanding, no devoted thing, that a man shall devote unto Jehovah of all that he hath, whether of man or beast, or of the field of his possession, shall be sold or redeemed: every devoted thing is most holy unto Jehovah.

Numbers 21:2

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

Deuteronomy 3:2

And Jehovah 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

But of the cities of these peoples, that Jehovah thy God giveth thee for an inheritance, thou shalt save alive nothing that breatheth;

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 smote 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 lovingkindness endureth 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 every inhabited city, with the women and the little ones; we left none remaining:
Deuteronomy 20:16
But of the cities of these peoples, that Jehovah thy God giveth thee for an inheritance, thou shalt save alive nothing that breatheth;
Leviticus 27:28
Notwithstanding, no devoted thing, that a man shall devote unto Jehovah of all that he hath, whether of man or beast, or of the field of his possession, shall be sold or redeemed: every devoted thing is most holy unto Jehovah.
Numbers 21:2
And Israel vowed a vow unto Jehovah, 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 cattle, the children of Israel took for a prey unto themselves; but every man they smote with the edge of the sword, until they had destroyed them, neither left they any that breathed.

As we did

Deuteronomy 3:2
And Jehovah 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 over the valley of the Arnon: behold, I have given into thy hand Sihon the Amorite, king of Heshbon, and his land; begin to possess it, and contend with him in battle.
Psalm 135:10
Who smote many nations, And slew mighty kings,
Psalm 136:19
Sihon king of the Amorites; For his lovingkindness endureth forever;

American Standard Version Public Domain