1 Nephi 12:10-12
10. And these twelve ministers whom thou beholdest shall judge thy seed. And, behold, they are righteous forever; for because of their faith in the Lamb of God their garments are made white in his blood.
11. And the angel said unto me: Look! And I looked, and beheld three generations pass away in righteousness; and their garments were white even like unto the Lamb of God. And the angel said unto me: These are made white in the blood of the Lamb, because of their faith in him.
12 And I, Nephi, also saw many of the fourth generation who passed away in righteousness.
Verse 10 an assurance that the twelve disciples will receive eternal life. Now, verses 11 and 12 extend that same promise to the people in the “three generations [who] pass away in righteousness,” and to many in the fourth generation.
That same promise is, of course, extended to all persons who live their life “in righteousness” because of their faith.
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