1927 - 1983 (55 år)
 | Dr Daniel Jay Hillesland 1954-1996 |
| Dr Daniel Jay Hillesland | |
| F: | 2 Mar 1954 |
| Illinois, USA | |
| D: | 23 Mar 1996 |
| Sylvania, Lucas County, Ohio, USA | |
| Evelyn Ann Posthumus 1927-1983 |
| Evelyn Ann Posthumus | |
| F: | 7 Jul 1927 |
| Cook County, Illinois, USA | |
| D: | 3 Mar 1983 |
| Joliet, Will County, Illinois, USA | |
 | Glenn Gaylord Hillesland 1923-2020 |
| Glenn Gaylord Hillesland | |
| F: | 20 Apr 1923 |
| Mahnomen, Mahnomen County, Minnesota, USA | |
| V: | 21 Maj 1949 |
| Cook County, Illinois, USA | |
| D: | 20 Jan 2020 |
| Ames, Story County, Iowa, USA | |
