1918 - 1961 (42 år)
| James Mark Ostewig | |
| F: | 1945 |
| Amboy, Lee County, Illinois, USA | |
| D: | 8 Feb 1956 |
| Tobité, Santa Cruz, Bolivia | |
| Helen Marie Peterson | |
| F: | 6 Sep 1918 |
| Cherokee County, Iowa, USA | |
| D: | 1961 |
| Black Hawk County, Iowa, USA | |
| James Marland Ostewig | |
| F: | 7 Sep 1922 |
| Chicago, Cook County, Illinois, USA | |
| D: | 2018 |
| Sherbrooke, Guysborough County, Nova Scotia, Canada | |
