President of The Church of Jesus Christ of Latter-day Saints, 1970–1972 David A. Smith Lived: 1879–1952 Son of Joseph F. Smith, grandson of Hyrum Smith Brother of Hyrum M. Smith and Joseph Fielding Smith Fourth generation: descended from Joseph Smith Jr. Frederick M. Smith Lived: 1874–1946 Son of Joseph Smith III, grandson of Joseph Smith Jr. Brother of Israel A. Smith and W. Wallace Smith Prophet–President of the Reorganized Church of Jesus Christ of Latter Day Saints, 1915–1946 Israel A. Smith Lived: 2 February 1876 – 14 June 1958 Iowa State Legislature 1911-1913 Elected as delegate to the Missouri Constitutional Convention, 1943–1944 Prophet–President of the Reorganized Church of Jesus Christ of Latter Day Saints, 1946–1958 Son of Joseph Smith III, grandson of Joseph Smith Jr. Brother of Frederick M. Smith and W. Wallace Smith Married: Nina Grenawalt in 1908, and had two sons W. Wallace Smith Lived: 1900–1989 Son of Joseph Smith III, grandson of Joseph Smith Jr. Brother of Frederick M. Smith and Israel A. Smith Prophet–President of the Reorganized Church of Jesus Christ of Latter Day Saints, 1958–1978 Emma Smith Kennedy Lived: 1869–1960 Daughter of Alexander Hale Smith, granddaughter of Joseph Smith Jr. Elbert A. Smith Lived: 1871–1959 Son of David Hyrum Smith, grandson of Joseph Smith Jr. Fourth generation: descended from Smith cousins George Albert Smith Lived: 1870–1951 Son of John Henry Smith and Sarah Farr Half-brother of Nicholas G. Smith President of The Church of Jesus Christ of Latter-day Saints, 1945–1951 Nicholas G. Smith Lived: 1881–1945 Son of John Henry Smith and Josephine Groesbeck Half-brother of George Albert Smith Richard R. Lyman Lived: 1870–1963 Son of Francis M. Lyman and Clara Caroline Callister, a granddaughter of John Smith Fifth generation: descended from Hyrum Smith Hyrum G. Smith Lived: 1879–1932 grandson of John Smith, great-grandson of Hyrum Smith Joseph Fielding Smith Lived: 1899–1964 son of Hyrum M. Smith, grandson of Joseph F. Smith, great-grandson of Hyrum Smith Florence Smith Jacobsen Lived: 1913–2017 daughter of Willard Richards Smith, granddaughter of Joseph F. Smith, great-granddaughter of Hyrum Smith Fifth generation: descended from Joseph Smith Jr. Wallace B. Smith Lived: 1929– son of W. Wallace Smith, grandson of Joseph Smith III, great-grandson of Joseph Smith Jr. Prophet–President of the Reorganized Church of Jesus Christ of Latter Day Saints, 1978–1996 Fifth generation: descended from Smith cousins George Albert Smith Jr. Lived: 1905–1969 son of George Albert Smith, grandson of John Henry