| Male PROEFROCK, Johann |
| Birth | 2 May 1813 | Bergholz, Mecklenburg-Vorpommern, Germany |
| Death | 13 May 1870 | Niagara County, NY |
| Burial | ||
| Marriage | 22 Apr 1838 | Bergholz, Mecklenburg-Vorpommern, Germany |
| Other Spouse | DUBOIS, Christine | F20076 | |
| Marriage | 18 Jun 1856 | Town of Wheatfield, Niagara County, NY |
| Father | ||
| Mother | ||
| Female VOELKER, Christine |
| Birth | Abt 1815 | Bergholz, Mecklenburg-Vorpommern, Germany |
| Death | 24 Jul 1855 | Town of Wheatfield, Niagara County, NY |
| Burial | ||
| Father | ||
| Mother | ||
| Female PROEFROCK, Frederike Christine |
| Birth | 8 Aug 1838 | Bergholz, Mecklenburg-Vorpommern, Germany |
| Death | 27 Jun 1919 | WI |
| Burial | ||
| Spouse | ZIEHL, Ferdinand August | F45972 | |
| Marriage | 25 Jan 1856 | Town of Wheatfield, Niagara County, NY |
| Female PROEFROCK, Christine Louise |
| Birth | 25 May 1842 | Bergholz, Mecklenburg-Vorpommern, Germany |
| Death | 1843 | Atlantic Ocean |
| Burial |
| Male PROEFROCK, Johann Friedrich |
| Birth | 10 Sep 1844 | Niagara County, NY |
| Death | 27 Mar 1912 | Saint Paul, Ramsey County, MN |
| Burial | ||
| Spouse | Anna M | F72066 | |
| Marriage | ||
| Female PROEFROCK, Maria Helene |
| Birth | 9 Aug 1848 | Town of Wheatfield, Niagara County, NY |
| Death | Yes, date unknown | |
| Burial |
| Female PROEFROCK, Martha Elisabeth |
| Birth | 21 Dec 1850 | Town of Wheatfield, Niagara County, NY |
| Death | 15 Sep 1904 | Constantia, Oswego County, NY |
| Burial | ||
| Spouse | FERRIS, Peter Brandell | F72067 | |
| Marriage | 23 Feb 1876 | New York |
| Male PROEFROCK, Christian Friedrich |
| Birth | 28 Mar 1853 | Niagara County, NY |
| Death | 8 Jul 1935 | North Tonawanda, Niagara County, NY |
| Burial | ||
| Spouse | SEEFELDT, Wilhelmine Therese | F13829 | |
| Marriage | Abt 1878 | North Tonawanda, Niagara County, NY |
| Female PROEFROCK, Christine |
| Birth | 24 Jul 1855 | Town of Wheatfield, Niagara County, NY |
| Death | 24 Jul 1855 | Town of Wheatfield, Niagara County, NY |
| Burial |