Nephi, Son of Helaman See also Helaman, Son of Helaman; Lehi, Nephite Missionary In the Book of Mormon, a great Nephite prophet and missionary. Was the elder son of Helaman, Hel. 3:21. Was appointed chief judge, Hel. 3:37. He and his brother Lehi converted many Lamanites to the gospel, Hel. 5:18–19. Was encircled with fire and released from prison, Hel. 5:20–52. Prayed on his garden tower, Hel. 7:6–10. Revealed the murder of the chief judge, Hel. 8:25–28; 9:1–38. Was given great power by the Lord, Hel. 10:3–11. Asked the Lord for a famine and for the end of the famine, Hel. 11:3–18.