Ephesians 5:26-27

in order to make her holy, cleansing her with the baptismal water by the word,

Hebrews 9:13-14

For if the blood of goats and bulls and the ashes of a heifer sprinkling those who have contracted defilement make them holy so as to bring about ceremonial purity,

1 John 1:7

But if we live in the light as He is in the light, we have fellowship with one another, and the blood of Jesus, His Son, cleanses us from all sin.

1 John 1:9

If we confess our sins, He is so faithful and just that He forgives us our sins and cleanses us from all unrighteousness.

Revelation 21:3-4

And I heard a loud voice, which came from the throne, say, "God's dwelling place is among men and He will dwell among them and they shall be His peoples. Yes, God Himself will be among them.

Revelation 21:7

All this shall be the heritage of him who overcomes, and I will be his God and he shall be one of My sons.

Treasury of Scripture Knowledge

Summary

Neither shall they defile themselves any more with their idols, nor with their detestable things, nor with any of their transgressions: but I will save them out of all their dwellingplaces, wherein they have sinned, and will cleanse them: so shall they be my people, and I will be their God.

They be

Bible References

Will cleanse

Ephesians 5:26
in order to make her holy, cleansing her with the baptismal water by the word,
Hebrews 9:13
For if the blood of goats and bulls and the ashes of a heifer sprinkling those who have contracted defilement make them holy so as to bring about ceremonial purity,
1 John 1:7
But if we live in the light as He is in the light, we have fellowship with one another, and the blood of Jesus, His Son, cleanses us from all sin.

They be

Revelation 21:3
And I heard a loud voice, which came from the throne, say, "God's dwelling place is among men and He will dwell among them and they shall be His peoples. Yes, God Himself will be among them.