1903 - 1972 (69 years)
| Muriel Bernice O'Keefe | |
| B: | 24 May 1926 |
| Grafton, Walsh, North Dakota | |
| D: | 13 Apr 2018 |
| Fargo, Cass, North Dakota | |
| Herman Dennis Nelson | |
| B: | 24 Sep 1926 |
| Devils Lake, Ramsay Co., ND | |
| M: | 24 Sep 1949 |
| Kalispel, Flathead, Montana | |
| D: | 29 Jan 1986 |
| Cavalier, Pembina Co., ND | |
| William Joseph O'Keefe | |
| B: | 7 Oct 1928 |
| Grafton, Walsh Co., North Dakota | |
| D: | 20 Oct 1995 |
| Gresham, Multnomah Co., Oregon | |
| Cathrine Cleona O'Keefe | |
| B: | 26 Sep 1930 |
| Grafton, Walsh Co., North Dakota | |
| D: | 3 Jul 1998 |
| San Diego, California | |
| Francis Joseph Luibel | |
| B: | 4 Aug 1928 |
| Springfield, Clark Co., Ohio | |
| M: | 18 Jun 1957 |
| Crystal, Pembina Co., ND | |
| D: | 23 Sep 2005 |
| Fort Worth, Tarrant Co., Texas | |
| Charles Dennis O'Keefe | |
| B: | 18 Sep 1932 |
| D: | 6 Feb 2000 |
| Seattle, WA | |
|
| Bernice Isabel O'Sullivan | |
| B: | 10 Mar 1903 |
| Crystal, Pembina, North Dakota | |
| D: | 4 Sep 1972 |
| Crystal, Pembina, North Dakota | |
| Cleophis John O'Keefe | |
| B: | 2 Apr 1902 |
| Vesleyville, North dakota, USA | |
| M: | 1 Aug 1925 |
| Crystal, North Dakota, USA | |
| D: | 13 Jan 1969 |
| Fargo, North Dakota, USA | |
