According to Douglas and Robert Clark, the occasion of Joseph’s prophecies (referred to in 2 Nephi 3:6) was, according to the Joseph Smith Translation of Genesis, to his brethren just before he died (see JST Genesis 50:24). This was the same context in which the dying Lehi repeated those very prophecies to his son. But the pattern was far older than Joseph. Adam himself, according to both latter-day revelation (see D&C 107:53-56) and pseudepigraphical sources, called together his righteous posterity shortly before his death to leave his final testimony, counsel, prophecies, and blessings. As reported in the pseudepigrapha, the pattern was followed in turn by all the antediluvian patriarchs, and later by Abraham, Jacob (also reported in Genesis 48-49), and each of Jacob’s twelve sons. The brass plates would have contained at least the accounts of Joseph and Jacob, and probably of others as well. [E. Douglas Clark and Robert S. Clark, Fathers and Sons in the Book of Mormon, pp. 26-27]