1877 - 1961 (83 år)
| Kenneth Weston Flatness | |
| F: | 23 Dec 1935 |
| Havre, Hill County, Montana, USA | |
| D: | 27 Feb 1970 |
| Billings, Yellowstone County, Montana, USA | |
| Elinor Louise Flatness | |
| F: | 11 Jun 1937 |
| Havre, Hill County, Montana, USA | |
| D: | 18 Okt 2006 |
| Columbus, Stillwater County, Montana, USA | |
| 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 | |
| F: | 24 Apr 1939 |
| Havre, Hill County, Montana, USA | |
| D: | 31 Maj 2006 |
| Sedalia, Douglas County, Colorado, USA | |
| Kenneth Benjamin Flatness | |
| F: | 20 Feb 1908 |
| Broadwater County, Montana, USA | |
| D: | 5 Jul 1942 |
| Malta, Phillips County, Montana, USA | |
| Ruth Zada Moore | |
| F: | 7 Feb 1907 |
| Oak Park, Cook County, Illinois, USA | |
| V: | 18 Maj 1935 |
| Havre, Hill County, Montana, USA | |
| D: | 6 Maj 1977 |
| Columbus, Stillwater County, Montana, USA | |
| Eileen Gwendolyn Hobbs | |
| F: | 21 Sep 1931 |
| Las Vegas, Clark County, Nevada, USA | |
| D: | 23 Aug 2015 |
| Missoula, Missoula County, Montana, USA | |
| Vickie Lee Justice | |
| F: | 10 Nov 1957 |
| Havre, Hill County, Montana, USA | |
| D: | 5 Feb 2003 |
| Shirley Ann Karen Hobbs | |
| F: | 28 Jun 1936 |
| Havre, Hill County, Montana, USA | |
| D: | 19 Sep 2006 |
| Grove, Delaware County, Oklahoma, USA | |
| Charles Ervin Justice | |
| F: | 1 Aug 1935 |
| Pikeville, Pike County, Kentucky, USA | |
| V: | 21 Nov 1956 |
| Great Falls, Cascade County, Montana, USA | |
| D: | 19 Feb 2014 |
| Kentucky, USA | |
| Howard Russell Hoffman | |
| V: | 7 Jan 1960 |
| Walla Walla, Walla Walla County, Washington, USA | |
| Alice Estella Flatness | |
| F: | 24 Jun 1909 |
| Havre, Hill County, Montana, USA | |
| D: | 21 Aug 1987 |
| Kevin, Toole County, Montana, USA | |
| Jr Augustus William Hobbs | |
| F: | 26 Okt 1907 |
| Havre, Hill County, Montana, USA | |
| D: | 18 Maj 1987 |
| Lukeville, Pima County, Arizona, USA | |
| Jr Kermit Oliver Flatness | |
| F: | 5 Dec 1941 |
| Rosebud Creek, Big Horn County, Montana | |
| D: | 7 Mar 1970 |
| Rosebud Creek, Big Horn County, Montana | |
| Shawnta Rae Flatness | |
| F: | 20 Feb 1980 |
| Billings, Yellowstone County, Montana, USA | |
| D: | 7 Mar 1980 |
| Billings, Yellowstone County, Montana, USA | |
| Roberta Mae Flatness | |
| F: | 29 Nov 1944 |
| Havre, Hill County, Montana, USA | |
| D: | 28 Mar 2013 |
| Lame Deer, Rosebud County, Montana, USA | |
| Edward Kenneth Flatness | |
| F: | 1 Okt 1949 |
| Montana, USA | |
| D: | 31 Maj 1975 |
| Rosebud Creek, Big Horn County, Montana | |
| Sherry Lou Flatness | |
| F: | 3 Nov 1950 |
| Montana, USA | |
| D: | 6 Nov 1953 |
| Montana, USA | |
| Kermit Oliver Flatness | |
| F: | 20 Jan 1911 |
| Box Elder, Hill County, Montana, USA | |
| D: | 4 Mar 1994 |
| Rosebud, Rosebud County, Montana, USA | |
| Dorothy Dora Harris | |
| F: | 1 Maj 1919 |
| Rosebud Creek, Big Horn County, Montana | |
| V: | 21 Maj 1941 |
| Montana, USA | |
| D: | 25 Maj 1999 |
| Billings, Yellowstone County, Montana, USA | |
| Aasta Camilla Lillian Flatness | |
| F: | 20 Mar 1913 |
| Box Elder, Hill County, Montana, USA | |
| D: | 23 Jan 1983 |
| Big Sandy, Chouteau County, Montana, USA | |
| Clark Theodore Johnson | |
| F: | 10 Jul 1905 |
| Pondera County, Montana. USA | |
| V: | 1942 |
| Montana, USA | |
| D: | 21 Dec 1997 |
| Cascade County, Montana, USA | |
| Kent Morris Flatness | |
| F: | 23 Aug 1950 |
| Montana, USA | |
| D: | 14 Apr 2018 |
| Bowman, Bowman County, North Dakota, USA | |
| Maurice Bertrum Flatness | |
| F: | 21 Apr 1915 |
| Box Elder, Hill County, Montana, USA | |
| D: | 10 Aug 2012 |
| Bowman, Bowman County, North Dakota, USA | |
| Adair Alaine Johnson | |
| F: | 11 Maj 1919 |
| Marmarth, Slope County, North Dakota, USA | |
| V: | 18 Apr 1942 |
| Billings, Yellowstone County, Montana, USA | |
| D: | 6 Nov 2013 |
| Hettinger, Adams County, North Dakota, USA | |
| Gladys Elinor Elizabeth Flatness | |
| F: | 30 Apr 1917 |
| Great Falls, Cascade County, Montana, USA | |
| D: | 14 Nov 2008 |
| Havre, Hill County, Montana, USA | |
| Vincent Patrick Dauer | |
| F: | 5 Aug 1921 |
| Wheelock, Williams County, North Dakota, USA | |
| V: | 30 Jun 1956 |
| Fort Benton, Chouteau County, Montana, USA | |
| D: | 3 Apr 1970 |
| Havre, Hill County, Montana, USA | |
| Lucille Gwendolyn Dybdal Flatness | |
| F: | 22 Jun 1919 |
| Box Elder, Hill County, Montana, USA | |
| D: | 5 Mar 2004 |
| Perkins, Payne County, Oklahoma, USA | |
| George Clifford Gibson | |
| F: | 7 Aug 1933 |
| V: | 27 Dec 1956 |
| Kalispell, Flathead County, Montana, USA | |
| D: | 8 Dec 2008 |
| Olaf Henry Dybdal Flatness | |
| F: | 29 Apr 1921 |
| Box Elder, Hill County, Montana, USA | |
| D: | 5 Nov 2009 |
| Park City, Stillwater County, Montana, USA | |
| Nina Mae Hall | |
| F: | 29 Jun 1916 |
| Friday Harbor, San Juan County, Washington, USA | |
| V: | 11 Jun 1955 |
| Fort Benton, Chouteau County, Montana, USA | |
| D: | 19 Jan 1984 |
| Lewis County, Washington, USA | |
| Judith Flatness | |
| F: | 22 Jul 1948 |
| V: | 15 Aug 1990 |
| Wells, Elko County, Nevada, USA | |
| D: | 29 Maj 2017 |
| Montana, USA | |
| Karen Sofie Knudsdatter "Knutson*" | |
| F: | 8 Jan 1877 |
| Skjold, Flatnes, Rogaland | |
| D: | 2 Jan 1961 |
| Havre, Hill County, Montana, USA | |
| Ole Baardsen Flatness* | |
| F: | 15 Aug 1875 |
| Skjold, Flatnes, Rogaland | |
| V: | 2 Feb 1907 |
| Worth County, Iowa, USA | |
| D: | 5 Apr 1930 |
| Havre, Hill County, Montana, USA | |
