Deuteronomy 3:6

And we utterly destroyed them, as we had done to Sihon the king of Heshbon, utterly destroying every city, men, women and little ones.

Deuteronomy 2:34

And we took all his cities at that time, and utterly destroyed every city, men, and women, and little ones: we let none escape.

Deuteronomy 2:24

Rise up, take your journey, and pass over the river Arnon. Behold, I have given into thy hand Sihon the king of Heshbon, the Amorite, and his land: begin, take possession, and engage with him in battle.

Psalm 135:10-12

Who smote great nations, and slew mighty kings,

Leviticus 27:28-29

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

Numbers 21:2

Then Israel vowed a vow to Jehovah, and said, If thou give this people wholly into my hand, then I will utterly destroy their cities.

Deuteronomy 3:2

And Jehovah said to me, Fear him not; for into thy hand have I given him, and all his people, and his land; and thou shalt do unto him as thou didst unto Sihon the king of the Amorites, who dwelt at Heshbon.

Deuteronomy 20:16-18

But of the cities of these peoples which 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 as prey to themselves; only, they smote all the men with the edge of the sword, until they had destroyed them: they left none that breathed.

Psalm 136:19-21

Sihon king of the Amorites, for his loving-kindness endureth 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 every city, men, and women, and little ones: we let none escape.
Deuteronomy 20:16
But of the cities of these peoples which 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 hath devoted to Jehovah of all that he hath, of man or beast, or of the field of his possession, shall be sold or redeemed: every devoted thing is most holy to Jehovah.
Numbers 21:2
Then Israel vowed a vow to Jehovah, and said, If thou give this people wholly 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 as prey to themselves; only, they smote all the men with the edge of the sword, until they had destroyed them: they left none that breathed.

As we did

Deuteronomy 3:2
And Jehovah said to me, Fear him not; for into thy hand have I given him, and all his people, and his land; and thou shalt do unto him as thou didst unto Sihon the 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 thy hand Sihon the king of Heshbon, the Amorite, and his land: begin, take possession, and engage with him in battle.
Psalm 135:10
Who smote great nations, and slew mighty kings,
Psalm 136:19
Sihon king of the Amorites, for his loving-kindness endureth for ever,