“Amulek … was the first to specify the tribe from which Lehi descended. From 1 Nephi 5:14 we have already learned that Lehi was from the tribe of Joseph, but here, and only here, we learn that Lehi was descended from Joseph’s son Manasseh. According to apostle Erastus Snow, this truth was contained in the lost 116 pages of the book of Lehi” (Ogden and Skinner, Book of Mormon, 1:406).