Revelation 7:7-9

12,000 from the tribe of Simeon, 12,000 from the tribe of Levi, 12,000 from the tribe of Issachar, 12,000 from the tribe of Zebulun, 12,000 from the tribe of Joseph, 12,000 from the tribe of Benjamin were sealed. After this I looked, and behold, a great multitude that no one could number, from every nation, from all tribes and peoples and languages, standing before the throne and before the Lamb, clothed in white robes, with palm branches in their hands