| Father | Male John Peter Decker |
| Born | 16 Nov 1840 | Belgium |
| Died | 09 Feb 1924 | Appleton, Outagamie, Wisconsin |
| Buried | St Joseph Cemetery, Appleton, Outagamie, Wisconsin |
|
| Married | ||
| Father | John Decker | F143729 Group Sheet | |
| Mother | Cecile Orgier | F143729 Group Sheet | |
| Mother | Female Margaret Tock |
| Born | 29 May 1848 | Heinstert, Attert, Luxembourg, Belgium |
| Died | 12 Aug 1936 | Seymour, Outagamie Co, Wisconsin |
| Buried | St Joseph Cemetery, Appleton, Outagamie, Wisconsin |
|
| Father | Claudentius Tock | F207014 Group Sheet | |
| Mother | Anna George | F207014 Group Sheet | |
| Child 1 | Male Eugene Nicklas Decker |
| Born | 04 Sep 1872 | Town of Center, Outagamie Co, Wisconsin |
| Died | 02 May 1937 | Oshkosh, Winnebago Co, Wisconsin |
| Buried | ||
| Spouse | Ellen Mary Barry | F206982 | |
| Married | 02 Oct 1894 | Wisconsin |
| Child 2 | Male Peter Decker |
| Born | 06 Apr 1874 | Town of Center, Outagamie Co, Wisconsin |
| Died | 01 Jun 1956 | Green Bay, Brown, Wisconsin |
| Buried | ||
| Spouse | May Wurm | F55003 | |
| Married | 23 Nov 1898 | Seymour, Outagamie Co, Wisconsin |
| Child 3 | Female Rose A Decker |
| Born | 12 Dec 1875 | Town of Center, Outagamie Co, Wisconsin |
| Died | 17 Sep 1928 | Town of Grand Chute, Outagamie Co, Wisconsin |
| Buried | St Edward Cemetery, Mackville, Wisconsin |
|
| Spouse | Herman Peter Winters | F67853 | |
| Married | 26 Sep 1894 | |
| Child 4 | Female Anna Mary Decker |
| Born | 03 Feb 1878 | Appleton, Outagamie, Wisconsin |
| Died | 19 Feb 1922 | Town of Center, Outagamie Co, Wisconsin |
| Buried | St Edward Cemetery, Mackville, Wisconsin |
|
| Spouse | Henry Griesbach | F56468 | |
| Married | 25 Oct 1899 | |
| Child 6 | Male Anton Decker |
| Born | 02 Jun 1881 | Town of Center, Outagamie Co, Wisconsin |
| Died | 29 Nov 1952 | |
| Buried | St Joseph Cemetery, Appleton, Outagamie, Wisconsin |
|
| Spouse | Catherine Striegel | F73562 | |
| Married | 25 Jun 1907 | Mackville, Outagamie Co, Wisconsin |
| Child 7 | Male Joseph Decker |
| Born | 22 Oct 1886 | Town of Center, Outagamie Co, Wisconsin |
| Died | 27 May 1938 | Seymour, Outagamie Co, Wisconsin |
| Buried | St John the Baptist Cemetery, Seymour, Outagamie Co, Wisconsin |
|
| Spouse | Virginia Mueller | F207015 | |
| Married | ||
| Child 8 | Male Theodore William Decker |
| Born | 14 Jan 1887 | Town of Center, Outagamie Co, Wisconsin |
| Died | 11 Feb 1944 | Clark County, Kentucky |
| Buried | ||
| Spouse | Josephine Britten | F207016 | |
| Married | 04 Feb 1909 | |