Matthew 19:28

And Jesus said to them, "Verily I say to you, that ye who followed Me, in the regeneration, when the Son of Man shall sit upon the throne of His glory, ye also shall sit upon twelve thrones, judging the twelve tribes of Israel.

Revelation 21:12

having a wall great and high; having twelve gates, and at the gates twelve angels, and names inscribed, 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
And Jesus said to them, "Verily I say to you, that ye who followed Me, in the regeneration, when the Son of Man shall sit upon the throne of His glory, ye also shall sit upon twelve thrones, judging the twelve tribes of Israel.
Revelation 21:12
having a wall great and high; having twelve gates, and at the gates twelve angels, and names inscribed, which are the names of the twelve tribes of the sons of Israel;