
| Leroy Frank Peter Mollenkamp | |
| B: | 21 Mar 1915 |
| Elk Grove, Cook County, Illinois, USA | |
| D: | 21 Nov 2000 |
| Hoffman Estates, Cook County, Illinois, USA | |
| Berniel F. Nelson | |
| B: | 17 Sep 1919 |
| Hurley, Turner County, South Dakota, USA | |
| D: | 27 Jun 2004 |
| Schaumburg, Cook County, Illinois, USA | |
| Donald Wilhelm Johan Mollenkamp | |
| B: | 7 Apr 1918 |
| Elk Grove, Cook County, Illinois, USA | |
| D: | 5 Jun 1995 |
| Schaumburg, Cook County, Illinois, USA | |
|
| Konrad Mollenkamp | |
| B: | 2 Jan 1862 |
| Elk Grove, Cook County, Illinois, USA | |
| D: | 31 Dec 1922 |
| Elk Grove, Cook County, Illinois, USA | |
| Minnie Waack | |
| B: | 10 Dec 1880 |
| Germany | |
| M: | 4 Jun 1913 |
| Bensenville, DuPage County, Illinois, USA | |
| D: | 31 Aug 1963 |
| Palatine, Cook County, Illinois, USA | |