Frederick Niels Larsen is the great grandson of Joseph Smith III and the current President of the High Priesthood of the Remnant Church of Jesus Christ of Latter Day Saints.
Frederick Niels Larsen was born January 15, 1932 in the house occupied by his grandfather, Frederick M. Smith. The house in Kansas City, Missouri was the home of his parents Edward J. Larsen, a Danish immigrant and Lois A. Larsen, daughter of the PresidentProphet. The family moved to a 20acre farm in East Independence in 1937.
Source: Wikipedia