1907 - 1977 (70 år)
 | Kenneth Weston Flatness 1935-1970 |
| Kenneth Weston Flatness | |
| F: | 23 Dec 1935 |
| Havre, Hill County, Montana, USA | |
| D: | 27 Feb 1970 |
| Billings, Yellowstone County, Montana, USA | |
 | Elinor Louise Flatness 1937-2006 |
| Elinor Louise Flatness | |
| F: | 11 Jun 1937 |
| Havre, Hill County, Montana, USA | |
| D: | 18 Okt 2006 |
| Columbus, Stillwater County, Montana, USA | |
 | Earl F McDaniel 1934-1999 |
| Earl F McDaniel | |
| F: | 11 Okt 1934 |
| Joplin, Liberty County, Montana, USA | |
| V: | 18 Feb 1956 |
| Havre, Hill County, Montana, USA | |
| D: | 13 Jul 1999 |
| Columbus, Stillwater County, Montana, USA | |
 | David Hugh Flatness 1939-2006 |
| David Hugh Flatness | |
| F: | 24 Apr 1939 |
| Havre, Hill County, Montana, USA | |
| D: | 31 Maj 2006 |
| Sedalia, Douglas County, Colorado, USA | |
| Ruth Zada Moore 1907-1977 |
| Ruth Zada Moore | |
| F: | 7 Feb 1907 |
| Oak Park, Cook County, Illinois, USA | |
| D: | 6 Maj 1977 |
| Columbus, Stillwater County, Montana, USA | |
 | Kenneth Benjamin Flatness 1908-1942 |
| Kenneth Benjamin Flatness | |
| F: | 20 Feb 1908 |
| Broadwater County, Montana, USA | |
| V: | 18 Maj 1935 |
| Havre, Hill County, Montana, USA | |
| D: | 5 Jul 1942 |
| Malta, Phillips County, Montana, USA | |
