| Male HARTWIG, John Charles |
| Birth | 27 Dec 1882 | Niagara Falls, Niagara County, NY |
| Death | 8 Oct 1967 | Niagara Falls, Niagara County, NY |
| Burial | ||
| Marriage | ||
| Father | HARTWIG, William A | F21755 Group Sheet | |
| Mother | ZIEHL, Henriette Wilhelmine Caroline | F21755 Group Sheet | |
| Female HARTWIG, Geraldine Pearl |
| Birth | 9 Jan 1918 | |
| Death | Yes, date unknown | |
| Burial | ||
| Spouse | LASHER, Lawrence | F67610 | |
| Marriage | ||
| Male HARTWIG, John W |
| Birth | Jun 1906 | Niagara Falls, Niagara County, NY |
| Death | Dec 1991 | |
| Burial | ||
| Spouse | ALLEN, Catherine A | F84650 | |
| Marriage | ||
| Female HARTWIG, Helen |
| Birth | 19 Jul 1909 | Niagara Falls, Niagara County, NY |
| Death | 19 Mar 1971 | Colton, San Bernardino County, CA |
| Burial | ||
| Spouse | CUMMINGS, Henry | F67613 | |
| Marriage | ||