(Notes: You may have to scroll down or right to see chart.)
| Marvin LaVerne Gehrmann |
| Marvin LaVerne Gehrmann | |
| B: | 31 Mar 1947 |
| Portland, Multnomah, Oregon, USA | |
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| Esther Irene Strühnke |
| Esther Irene Strühnke | |
| B: | 17 Nov 1927 |
| Saint Paul, Ramsey, Minnesota, USA | |
| D: | 31 Oct 2015 |
| Turtle Lake, Polk, Wisconsin, USA | |
| Ivan Grant Gehrmann |
| Ivan Grant Gehrmann | |
| B: | 13 Aug 1922 |
| Turtle Lake, Polk, Wisconsin, USA | |
| D: | 17 Aug 1963 |
| Downey, Lake, Illinois, USA | |