1909 - 1970 (60 år)
 | Nancy Belle Mumford 1937-2013 |
| Nancy Belle Mumford | |
| F: | 7 Maj 1937 |
| Bellingham, Whatcom County, Washington, USA | |
| D: | 27 Okt 2013 |
| Mason, Warren County, Ohio, USA | |
 | Roger Burns Powell 1936-2022 |
| Roger Burns Powell | |
| F: | 14 Jul 1936 |
| Scottsburg, Scott County, Indiana, USA | |
| D: | 27 Aug 2022 |
| Loveland, Hamilton County, Ohio, USA | |
 | Hugh David Driesbaugh 1932-2008 |
| Hugh David Driesbaugh | |
| F: | 21 Dec 1932 |
| Mogadore, Portage County, Ohio, USA | |
| D: | 23 Feb 2008 |
| Chandler, Maricopa County, Arizona, USA | |
| Robert Earl Mumford 1909-1970 |
| Robert Earl Mumford | |
| F: | 5 Nov 1909 |
| South Bend, Pacific County, Washington, USA | |
| D: | 13 Jun 1970 |
| Lynden, Whatcom County, Washington, USA | |
 | Irene Ethellyn Hawkinson 1909-1987 |
| Irene Ethellyn Hawkinson | |
| F: | 17 Mar 1909 |
| Bellingham, Whatcom County, Washington, USA | |
| D: | 28 Apr 1987 |
| Fullerton, Orange County, California, USA | |
