1946-1996
| William Paul MATHISON | |
| B: | 9 Oct 1946 |
| Sisseton, Roberts, South Dakota | |
| D: | 2 Jul 1996 |
| Omaha, Douglas County, Nebraska, USA | |
1918-2011
| Julia Elizabeth WILLIAMS | |
| B: | 24 Sept 1918 |
| Nowlin, Haakon, South Dakota | |
| D: | 13 June 2011 |
| Rapid City, Pennington, South Dakota, USA | |
1916-1997
| Mathew MATHISON | |
| B: | 3 March 1916 |
| Hamer, Norway | |
| D: | 21 April 1997 |
| Rapid City, Pennington, South Dakota, USA | |