Revelation 21:12

having also a great and high wall, with twelve gates, and at the gates twelve angels; and there were names inscribed, which are the names of the twelve tribes of the sons of Israel.

Revelation 21:25

And the gates of it are not to be shut by day: for there shall be no night there.

Matthew 18:10

See that ye despise not one of these little ones; for I tell you, that their angels in heaven do continually appear in the presence of my father, who is in heaven:

Luke 15:10

Thus, I tell you, there is joy among the angels of God over one repenting sinner.

Luke 16:22

and was carried by angels to Abraham's bosom: the rich man also died, and was buried.

Acts 26:7

to which promise our twelve tribes, worshipping continually night and day, hope to attain: concerning which hope, O king Agrippa, I am accused by the Jews.

Hebrews 1:14

Are they not all ministring spirits, sent forth to attend on those who shall be heirs of salvation?

Revelation 7:4-8

And I heard the number of those that were sealed; and there were an hundred forty and four thousand sealed out of all the tribes of the children of Israel.

Revelation 21:17-21

And he measured the wall of it an hundred forty four cubits according to the measure of a man, for such was that of the angel.

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
And the twelve gates were twelve pearls; each of the gates was of one pearl: and the street of the city was pure gold like resplendent glass.

Twelve angels

Matthew 18:10
See that ye despise not one of these little ones; for I tell you, that their angels in heaven do continually appear in the presence of my father, who is in heaven:
Luke 15:10
Thus, I tell you, there is joy among the angels of God over one repenting sinner.
Luke 16:22
and was carried by angels to Abraham's bosom: the rich man also died, and was buried.
Hebrews 1:14
Are they not all ministring spirits, sent forth to attend on those who shall be heirs of salvation?

And names

Revelation 7:4
And I heard the number of those that were sealed; and there were an hundred forty and four thousand sealed out of all the tribes of the children of Israel.
Acts 26:7
to which promise our twelve tribes, worshipping continually night and day, hope to attain: concerning which hope, O king Agrippa, I am accused by the Jews.