Revelation 21:12

It had a great, high wall, with twelve huge gates, and twelve angels in charge of the gates, which had inscribed upon them the names of the twelve tribes of Israel.

Revelation 21:25

Its gates will never be closed by day -- for there will be no night there --

Matthew 18:10

"Be careful not to look with scorn on a single one of these little children, for I tell you that in heaven their angels have uninterrupted access to my Father in heaven.

Luke 15:10

Just so, I tell you, there is joy among the angels of God over one sinful person who repents!"

Luke 16:22

One day the beggar died and was carried away by the angels to be Abraham's bosom companion, and the rich man too died and was buried.

Acts 26:7

which promise our twelve tribes, by devotedly worshiping day and night, hope to see fulfilled for them. It is for this hope, your Majesty, that I am accused by some Jews.

Hebrews 1:14

Are not the angels all attending spirits sent forth to serve for the sake of those who are going to be unceasing possessors of salvation?

Revelation 7:4-8

And I heard the number of those who were marked with the seal, one hundred and forty-four thousand. Those that were marked with the seal were from every tribe of the children of Israel:

Revelation 21:17-21

He measured its wall, two hundred and sixteen feet as a man measures, which is the way the angel measured.

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 were twelve pearls, each gate built of a single pearl. The Broadway of the city was pure gold, as transparent as glass.

Twelve angels

Matthew 18:10
"Be careful not to look with scorn on a single one of these little children, for I tell you that in heaven their angels have uninterrupted access to my Father in heaven.
Luke 15:10
Just so, I tell you, there is joy among the angels of God over one sinful person who repents!"
Luke 16:22
One day the beggar died and was carried away by the angels to be Abraham's bosom companion, and the rich man too died and was buried.
Hebrews 1:14
Are not the angels all attending spirits sent forth to serve for the sake of those who are going to be unceasing possessors of salvation?

And names

Revelation 7:4
And I heard the number of those who were marked with the seal, one hundred and forty-four thousand. Those that were marked with the seal were from every tribe of the children of Israel:
Acts 26:7
which promise our twelve tribes, by devotedly worshiping day and night, hope to see fulfilled for them. It is for this hope, your Majesty, that I am accused by some Jews.