Lawrence William "Tuff" Fullmer was born 23 December 1909 in Bellevue, Blaine County, Idaho to George Myron Fullmer (1879-1918) and Estella Mary Terry (1886-1931) and died 4 June 1984 Salt Lake City, Salt Lake County, Utah of unspecified causes. He married Mary Emma Iff (1905-2000) 9 January 1931 in Salt Lake County, Utah.
Lawrence Fullmer was a sports coach who mentored three of his sons into Professional Boxing
- Gene Fullmer (1931) - 1951 Middleweight Boxing Champion
|Offspring of Lawrence William "Tuff" Fullmer and Mary Emma Iff (1905-2000)|
|Gene Fullmer (1931)||21 July 1931 Salt Lake County, Utah|
|Mary Colleen Fullmer (1934-2007)|
|Don Rulon Fullmer (1939-2012)||21 February 1939 Murray, Salt Lake County, Utah||28 January 2012 West Jordan, Salt Lake County, Utah|