| Name | PROEFROCK, Johann Wilhelm Christian | |
| Birth | 3 Feb 1879 | North Tonawanda, Niagara County, NY |
| Gender | Male | |
| Death | 9 Mar 1967 | Buffalo, Erie County, NY |
| Person ID | I53985 | Laur from Germany |
| Last Modified | 1 Oct 2016 | |
| Father | PROEFROCK, Christian Friedrich, b. 28 Mar 1853, Niagara County, NY d. 8 Jul 1935, North Tonawanda, Niagara County, NY (Age 82 years) | |
| Mother | SEEFELDT, Wilhelmine Therese, b. 20 Dec 1858, Prenzlau, Brandenburg, Germany d. 15 Sep 1944, North Tonawanda, Niagara County, NY (Age 85 years) | |
| Marriage | Abt 1878 | North Tonawanda, Niagara County, NY |
| Family ID | F13829 | Group Sheet | Family Chart |
| Family | WILLIAMS, Agatha Albertine Auguste, b. 3 Dec 1881, Town of Wheatfield, Niagara County, NY d. 4 May 1973, Kenmore, Erie County, NY (Age 91 years) | |||||||
| Marriage | 6 Oct 1904 | Bergholtz, Town of Wheatfield, Niagara County, NY |
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| Children |
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| Family ID | F19415 | Group Sheet | Family Chart | ||||||
| Last Modified | 21 Nov 2025 | |||||||
| Notes |
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