A Dictionary of the Book of Mormon/Mathoni
MATHONI. One of the twelve Disciples, called and chosen by Jesus to minister to the Nephites, at the time of his visit to that people (A. C. 34). Mathoni was present near the temple in the land Bountiful, when Jesus appeared, and was baptized by Nephi on the day following. He is not again mentioned by name in the sacred record. His brother Mathonihah was also one of the Nephite Twelve.