
| Harry William Otto Helfers | |
| B: | 6 Mar 1917 |
| Des Plaines, Cook County, Illinois, USA | |
| D: | 14 Jan 1990 |
| Fort Lauderdale, Broward County, Florida, USA | |
| Ingeborg Leptien | |
| B: | 28 May 1919 |
| Germany | |
| M: | 24 Jun 1939 |
| Des Plaines, Cook County, Illinois, USA | |
| D: | 24 Mar 1998 |
| Florida, USA | |
| Evelyn Caroline Florence Helfers | |
| B: | 27 Mar 1919 |
| Des Plaines, Cook County, Illinois, USA | |
| D: | Jun 1972 |
| Chicago, Cook County, Illinois, USA | |
| Lionel Monda | |
| B: | 22 Sep 1910 |
| Grand Forks, Grand Forks County, North Dakota, USA | |
| M: | 19 Apr 1941 |
| Arlington Heights, Cook County, Illinois, USA | |
| D: | Feb 1980 |
| Chicago, Cook County, Illinois, USA | |
| Gloria Jean Helfers | |
| B: | 12 Dec 1925 |
| Chicago, Cook County, Illinois, USA | |
| D: | 12 Dec 1925 |
| Chicago, Cook County, Illinois, USA | |
|
| Harry Henrich Wilhelm Helfers | |
| B: | 17 Dec 1894 |
| Des Plaines, Cook County, Illinois, USA | |
| D: | 13 Mar 1957 |
| Arlington Heights, Cook County, Illinois, USA | |
| Edith Charlotte Scheibach | |
| B: | 10 Dec 1896 |
| Chicago, Cook County, Illinois, USA | |
| M: | 17 Jun 1916 |
| Arlington Heights, Cook County, Illinois, USA | |
| D: | 31 Mar 1988 |
| Rolling Meadows, Cook County, Illinois, USA | |