1922 - 1988 (65 år)
 | Darrel Wayne Hartman 1943-1945 |
| Darrel Wayne Hartman | |
| F: | 10 Jan 1943 |
| Saint Cloud, Stearns County, Minnesota, USA | |
| D: | 14 Feb 1945 |
| Saint Cloud, Stearns County, Minnesota, USA | |
 | George Allan Hartman 1943-1971 |
| George Allan Hartman | |
| F: | 10 Jan 1943 |
| Saint Cloud, Stearns County, Minnesota, USA | |
| D: | 29 Jun 1971 |
| Benton County, Minnesota, USA | |
 | James Richard Hartmann 1948-2007 |
| James Richard Hartmann | |
| F: | 5 Mar 1948 |
| Saint Cloud, Stearns County, Minnesota, USA | |
| D: | 7 Jul 2007 |
| Vallejo, Solano County, California, USA | |
 | Cheryl Diane Hartmann 1955-1986 |
| Cheryl Diane Hartmann | |
| F: | 19 Feb 1955 |
| Minneapolis, Hennepin County, Minnesota, USA | |
| D: | 9 Feb 1986 |
| Rice, Benton County, Minnesota, USA | |
| Margaret Eleanor Leistmann 1922-1988 |
| Margaret Eleanor Leistmann | |
| F: | 29 Sep 1922 |
| Saint Cloud, Stearns County, Minnesota, USA | |
| D: | 15 Mar 1988 |
| Sherburne County, Minnesota, USA | |
 | George Michael Hartman 1918-1987 |
| George Michael Hartman | |
| F: | 9 Okt 1918 |
| Saint Cloud, Benton County, Minnesota, USA | |
| V: | 11 Apr 1942 |
| Stearns County, Minnesota, USA | |
| D: | 8 Okt 1987 |
| Minneapolis, Hennepin County, Minnesota, USA | |
