Matthew 19:28

Jesus said to them, "I tell you truly, in the new world, when the Son of man shall sit on the throne of his glory, you who have followed me shall also sit on twelve thrones to govern the twelve tribes of Israel.

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,

Treasury of Scripture Knowledge

Summary

And twelve lions stood there on the one side and on the other upon the six steps. There was not the like made in any kingdom.

Bible References

Twelve lions

Matthew 19:28
Jesus said to them, "I tell you truly, in the new world, when the Son of man shall sit on the throne of his glory, you who have followed me shall also sit on twelve thrones to govern the twelve tribes of Israel.
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,