| Male SIEBERT, Friedrich Wilhelm |
| Birth | 2 Mar 1817 | Zerrenthien, Pomerania, Prussia |
| Death | 27 Mar 1898 | Altamont, Effingham County, IL |
| Burial | ||
| Marriage | 5 Nov 1847 | Bergholtz, Town of Wheatfield, Niagara County, NY |
| Father | SIEBERT, Christian | F16870 Group Sheet | |
| Mother | BILLAN, Maria | F16870 Group Sheet | |
| Female DOEHRING, Christine Louise Henrietta |
| Birth | 3 Mar 1827 | Plowen, Mecklenburg-Vorpommern, Germany |
| Death | 13 Dec 1912 | Altamont, Effingham County, IL |
| Burial | ||
| Father | ||
| Mother | ||
| Male SIEBERT, William Friedrich |
| Birth | 20 Nov 1848 | Town of Wheatfield, Niagara County, NY |
| Death | 18 Dec 1926 | Effingham, Effingham County, IL |
| Burial | ||
| Spouse | SALINE, Mary H | F22186 | |
| Marriage | Abt 1875 | New York |
| Female SIEBERT, Wilhelmine Henrietta |
| Birth | 11 Feb 1851 | Town of Wheatfield, Niagara County, NY |
| Death | Yes, date unknown | |
| Burial | ||
| Spouse | SUCKOW, Christian | F22185 | |
| Marriage | Abt 1879 | |
| Female SIEBERT, Marie Elisabeth |
| Birth | 12 Jul 1853 | Town of Wheatfield, Niagara County, NY |
| Death | 7 Dec 1923 | Effingham County, IL |
| Burial |
| Female SIEBERT, Friederike Louise |
| Birth | 22 Nov 1855 | Town of Wheatfield, Niagara County, NY |
| Death | 10 Nov 1913 | Mason, Effingham County, IL |
| Burial | ||
| Spouse | RICHERT, Johannes Albert | F21186 | |
| Marriage | 4 Feb 1878 | Altamont, Effingham County, IL |
| Male SIEBERT, August Wilhelm |
| Birth | 28 Feb 1858 | Town of Wheatfield, Niagara County, NY |
| Death | 1944 | Altamont, Effingham County, IL |
| Burial | ||
| Spouse | HASELEY, Albertine Augusta | F16619 | |
| Marriage | 5 Jan 1888 | Effingham County, IL |
| Spouse | MOLL, Albertine Marie Theresie | F16868 | |
| Marriage | 20 Apr 1882 | Altamont, Effingham County, IL |
| Male SIEBERT, Charles Karl August |
| Birth | 21 Sep 1862 | Town of Wheatfield, Niagara County, NY |
| Death | 14 Sep 1940 | |
| Burial | ||
| Spouse | MOLL, Auguste Mary | F20273 | |
| Marriage | Abt 1891 | |
| Spouse | Elizabeth | F20274 | |
| Marriage | ||