| Male PROEFROCK, William Christian |
| Birth | 16 Sep 1892 | North Tonawanda, Niagara County, NY |
| Death | 23 Jan 1969 | North Tonawanda, Niagara County, NY |
| Burial | ||
| Marriage | 5 Sep 1914 | North Tonawanda, Niagara County, NY |
| Father | PROEFROCK, August Heinrich | F20079 Group Sheet | |
| Mother | HAMANN, Wilhelmine Christine | F20079 Group Sheet | |
| Female FEHRMAN, Elsie |
| Birth | 3 Jan 1893 | New York |
| Death | 9 Aug 1980 | North Tonawanda, Niagara County, NY |
| Burial | ||
| Father | FEHRMANN, Friedrich Wilhelm | F31144 Group Sheet | |
| Mother | WILKE, Emilie M | F31144 Group Sheet | |
| Male PROEFROCK, LaVerne W |
| Birth | 11 Jul 1919 | New York |
| Death | 15 Apr 1993 | North Tonawanda, Niagara County, NY |
| Burial | ||
| Spouse | SAHR, Bertha | F22571 | |
| Marriage | 17 May 1941 | |