Revelation 21:12

it has a huge, high wall with twelve gates, twelve angels at the twelve gates, and names inscribed thereon which are the names of the twelve tribes of the sons of Israel,

Revelation 21:25

(the gates of it will never be shut by day, and night there shall be none),

Matthew 18:10

See that you do not despise one of these little ones; for I tell you, their angels in heaven always look on the face of my Father in heaven.

Luke 15:10

So, I tell you, there is joy in the presence of the angels of God over a single sinner who repents."

Luke 16:22

Now it happened that the poor man died, and he was carried by the angels to Abraham's bosom. The rich man died too, and was buried.

Acts 26:7

a promise which our twelve tribes hope to gain by serving God earnestly both night and day. And I am actually impeached by Jews for this hope, O king!

Hebrews 1:14

Are not all angels merely spirits in the divine service, commissioned for the benefit of those who are to inherit salvation?

Revelation 7:4-8

And I heard what was the number of the sealed ??a hundred and forty-four thousand sealed from every tribe of the sons of Israel,

Revelation 21:17-21

he made the measure of the wall seventy-two yards, by human, that is, by angelic reckoning.

Treasury of Scripture Knowledge

Summary

And had a wall great and high, and had twelve gates, and at the gates twelve angels, and names written thereon, which are the names of the twelve tribes of the children of Israel:

Twelve gates

Bible References

Twelve gates

Revelation 21:21
The twelve gates are twelve pearls, each gate made of a single pearl; and the streets of the City are pure gold, clear as crystal.

Twelve angels

Matthew 18:10
See that you do not despise one of these little ones; for I tell you, their angels in heaven always look on the face of my Father in heaven.
Luke 15:10
So, I tell you, there is joy in the presence of the angels of God over a single sinner who repents."
Luke 16:22
Now it happened that the poor man died, and he was carried by the angels to Abraham's bosom. The rich man died too, and was buried.
Hebrews 1:14
Are not all angels merely spirits in the divine service, commissioned for the benefit of those who are to inherit salvation?

And names

Revelation 7:4
And I heard what was the number of the sealed ??a hundred and forty-four thousand sealed from every tribe of the sons of Israel,
Acts 26:7
a promise which our twelve tribes hope to gain by serving God earnestly both night and day. And I am actually impeached by Jews for this hope, O king!