| Male PROEFROCK, Eckhardt W |
| Birth | 26 Dec 1910 | New York |
| Death | 23 Jan 1991 | North Tonawanda, Niagara County, NY |
| Burial | ||
| Marriage | ||
| Father | PROEFROCK, William Albert | F7608 Group Sheet | |
| Mother | HILDEBRANDT, Bertha Maria Auguste | F7608 Group Sheet | |
| Female BEISWANGER, Edna L |
| Birth | 25 Jan 1918 | Buffalo, Erie County, NY |
| Death | 10 Apr 2013 | North Tonawanda, Niagara County, NY |
| Burial | ||
| Father | BEISWANGER, Edward | F50018 Group Sheet | |
| Mother | MURPHY, Marie | F50018 Group Sheet | |
| Male PROEFROCK, Donald Eckhardt |
| Birth | Sep 1941 | |
| Death | 21 Dec 2020 | Lockport, Niagara County, NY |
| Burial | ||
| Spouse | HAZELET, Elaine Cora | F20111 | |
| Marriage | ||
| Spouse | KISIEL, Barbara Jane | F20112 | |
| Marriage | 29 Nov 1975 | North Tonawanda, Niagara County, NY |