1927 - 1998 (70 years)
| John Peter Mayer 1949-2019 |
| John Peter Mayer | |
| B: | 21 Apr 1949 |
| Johnsburg, Fond du Lac, Wisconsin, USA | |
| D: | 19 Dec 2019 |
| Tomah, Monroe, Wisconsin, USA | |
 | Joan Ann Mayer 1951-2002 |
| Joan Ann Mayer | |
| B: | 18 Nov 1951 |
| Fond du Lac, Fond du Lac, Wisconsin, USA | |
| D: | 3 Jan 2002 |
| Manitowoc, Manitowoc, Wisconsin, USA | |
| David Paul Krzizike 1949-1987 |
| David Paul Krzizike | |
| B: | 6 Dec 1949 |
| Two Rivers, Manitowoc, Wisconsin, USA | |
| D: | 25 Feb 1987 |
| Green Bay, Brown, Wisconsin, USA | |
| Jerome Richard Mayer 1958-1976 |
| Jerome Richard Mayer | |
| B: | 16 Mar 1958 |
| Fond du Lac, Fond du Lac, Wisconsin, USA | |
| D: | 17 Oct 1976 |
| Franklin, Manitowoc, Wisconsin, USA | |
|
| Francis Felix Mayer 1927-1998 |
| Francis Felix Mayer | |
| B: | 2 Mar 1927 |
| New Holstein Township, Calumet, Wisconsin, USA | |
| D: | 12 Jan 1998 |
| Brillion, Calumet, Wisconsin, USA | |
| Leona Margretta Lefeber 1923-2016 |
| Leona Margretta Lefeber | |
| B: | 10 Sep 1923 |
| Johnsburg, Fond du Lac, Wisconsin, USA | |
| D: | 14 Mar 2016 |
| Brillion, Calumet, Wisconsin, USA | |
