| Male HARTWIG, Charles Frederick |
| Birth | 7 Jan 1881 | Buffalo, Erie County, NY |
| Death | 16 Nov 1967 | Niagara Falls, Niagara County, NY |
| Burial | ||
| Marriage | 22 Jun 1910 | |
| Father | HARTWIG, William A | F21755 Group Sheet | |
| Mother | ZIEHL, Henriette Wilhelmine Caroline | F21755 Group Sheet | |
| Female KAMMERER, Lucille Christine |
| Birth | 28 Jan 1887 | New York |
| Death | Yes, date unknown | |
| Burial | ||
| Father | KAMMERER, Adam | F14173 Group Sheet | |
| Mother | WEILER, Ursula | F14173 Group Sheet | |
| Female HARTWIG, Dorothea Elizabeth |
| Birth | 1912 | Niagara Falls, Niagara County, NY |
| Death | 1921 | Niagara Falls Memorial Hospital, Niagara Falls, Niagara County, NY |
| Burial |
| Female HARTWIG, Lucille Katherine |
| Birth | 22 Nov 1913 | Niagara Falls, Niagara County, NY |
| Death | 12 Apr 2002 | Town of Lewiston, Niagara County, NY |
| Burial | ||
| Spouse | HARTMEISTER, Louis August | F67611 | |
| Marriage | 1944 | |
| Female HARTWIG, Ruth Marie |
| Birth | 7 Feb 1917 | Niagara Falls, Niagara County, NY |
| Death | 24 Apr 1994 | Silver Spring, Montgomery County, MD |
| Burial | ||
| Spouse | KAESTNER, William Joseph | F66744 | |
| Marriage | ||