“I have heard my grandmother (Mary M. Whitmer) [mother of five Book of Mormon witnesses] say on several occasions that she was shown the plates of the Book of Mormon by an holy angel, whom she always called Brother Nephi.”
John C. Whitmer statement, From Andrew Jenson’s The Historical Record – Volume 7, “The Eight Witnesses” (Salt Lake City, UT: Self-Published, 1888), 621.