Who are the tribulation saints?

*The Tribulation Saints Are Not...
a.144,000 Jehovah's witnesses
b. 144,000 Mormons
c. or 144,000 Seventh Day Adventist
d. or other non-Jewish groups




*The Tribulation saints are Jews who get saved during the tribulation period.
*The total amount of Jews to be saved during this time are 144,000.
*They are divided up into 12 groups with 12,000 Jews per group.
* They are virgins.
*They have the seal of God in their foreheads.
*The groups are the following: 12,000 from the tribe of Juda, 12,000 from the tribe of Reuben, 12,000 from the tribe of Gad, 12,000 from the tribe of Aser, 12,000 from the tribe of Nepthalim, 12,000 from the tribe of Manasses, 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 Zabulon, 12,000 from the tribe of Joseph, and 12,000 from the tribe of Benjamin.


Where is this mentioned, you may wonder?
*In the New Testament, book of Revelation!
*Revelation 7:3
* Revelation 7:4-8