Revelation 7:9 (KJV)

Of the tribe of Simeon were sealed twelve thousand. Of the tribe of Levi were sealed twelve thousand. Of the tribe of Issachar were sealed twelve thousand.

Of the tribe of Zabulon were sealed twelve thousand. Of the tribe of Joseph were sealed twelve thousand. Of the tribe of Benjamin were sealed twelve thousand.

After this I beheld, and, lo, a great multitude, which no man could number, of all nations, and kindreds, and people, and tongues, stood before the throne, and before the Lamb, clothed with white robes, and palms in their hands;

And cried with a loud voice, saying, Salvation to our God which sitteth upon the throne, and unto the Lamb.

And all the angels stood round about the throne, and about the elders and the four beasts, and fell before the throne on their faces, and worshipped God,