Deuteronomy 3:6

And we devoted them to destruction, as we did to Sihon the king of Heshbon, devoting to destruction every city, men, women, and children.

Deuteronomy 2:34

And we captured all his cities at that time and devoted to destruction every city, men, women, and children. We left no survivors.

Deuteronomy 2:24

'Rise up, set out on your journey and go over the Valley of the Arnon. Behold, I have given into your hand Sihon the Amorite, king of Heshbon, and his land. Begin to take possession, and contend with him in battle.

Psalm 135:10-12

who struck down many nations and killed mighty kings,

Leviticus 27:28-29

"But no devoted thing that a man devotes to the LORD, of anything that he has, whether man or beast, or of his inherited field, shall be sold or redeemed; every devoted thing is most holy to the LORD.

Numbers 21:2

And Israel vowed a vow to the LORD and said, "If you will indeed give this people into my hand, then I will devote their cities to destruction."

Deuteronomy 3:2

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

Deuteronomy 20:16-18

But in the cities of these peoples that the LORD your God is giving you for an inheritance, you shall save alive nothing that breathes,

Joshua 11:14

And all the spoil of these cities and the livestock, the people of Israel took for their plunder. But every man they struck with the edge of the sword until they had destroyed them, and they did not leave any who breathed.

Psalm 136:19-21

Sihon, king of the Amorites, for his steadfast love 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 captured all his cities at that time and devoted to destruction every city, men, women, and children. We left no survivors.
Deuteronomy 20:16
But in the cities of these peoples that the LORD your God is giving you for an inheritance, you shall save alive nothing that breathes,
Leviticus 27:28
"But no devoted thing that a man devotes to the LORD, of anything that he has, whether man or beast, or of his inherited field, shall be sold or redeemed; every devoted thing is most holy to the LORD.
Numbers 21:2
And Israel vowed a vow to the LORD and said, "If you will indeed give this people into my hand, then I will devote their cities to destruction."
Joshua 11:14
And all the spoil of these cities and the livestock, the people of Israel took for their plunder. But every man they struck with the edge of the sword until they had destroyed them, and they did not leave any who breathed.

As we did

Deuteronomy 3:2
But the LORD said to me, 'Do not fear him, for I have given him and all his people and his land into your hand. And you shall do to him as you did to Sihon the king of the Amorites, who lived at Heshbon.'
Deuteronomy 2:24
'Rise up, set out on your journey and go over the Valley of the Arnon. Behold, I have given into your hand Sihon the Amorite, king of Heshbon, and his land. Begin to take possession, and contend with him in battle.
Psalm 135:10
who struck down many nations and killed mighty kings,
Psalm 136:19
Sihon, king of the Amorites, for his steadfast love endures forever;

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.