1922 - 2008 (86 år)
 | John Paul Christopherson 1952-1999 |
| John Paul Christopherson | |
| F: | 27 Maj 1952 |
| Ames, Story County, Iowa, USA | |
| D: | Nov 1999 |
| Merced, Merced County, California, USA | |
|
| John Laverne Christopherson 1922-2008 |
| John Laverne Christopherson | |
| F: | 1 Jan 1922 |
| Hubbard, Hardin County, Iowa, USA | |
| D: | 22 Feb 2008 |
| Denver, Denver County, Colorado, USA | |
 | Simone Huguette Mathis 1921-2017 |
| Simone Huguette Mathis | |
| F: | 23 Mar 1921 |
| Château Thierry, Frankrike | |
| V: | 21 Sep 1946 |
| Ames, Story County, Iowa, USA | |
| D: | 3 Feb 2017 |
| Las Vegas, Clark County, Nevada, USA | |
 | Deloris I Christopherson 1924-2012 |
| Deloris I Christopherson | |
| F: | 12 Feb 1924 |
| D: | 27 Jul 2012 |
| Denver, Denver County, Colorado, USA | |
