Revelation 7:4-8

And [then] I heard how many were sealed (marked) out of every tribe of the sons of Israel: there were 144,000. Twelve thousand were sealed (marked) out of the tribe of Judah, 12,000 of the tribe of Reuben, 12,000 of the tribe of Gad, Twelve thousand of the tribe of Asher, 12,000 of the tribe of Naphtali, 12,000 of the tribe of Manasseh, Twelve thousand of the tribe of Simeon, 12,000 of the tribe of Levi, 12,000 of the tribe of Issachar, Twelve thousand of the tribe of Zebulun, 12,000 of the tribe of Joseph, 12,000 of the tribe of Benjamin.