

| Peter Joseph Decker | |
| *: | 28 Okt 1794 |
| Geich | |
| +: | 18 Mai 1864 |
| Geich | |
| Anna Catharina Schäfer | |
| *: | 26 Mai 1791 |
| Hastenrath, Eschweiler, (DE) | |
| +: | 7 Sep 1868 |
| Geich | |
| Johann Peter Decker | |
| *: | 19 Dez 1746 |
| Langerwehe, (DE) | |
| +: | 15 Feb 1834 |
| Geich | |
| Maria Catharina Wittgen | |
| *: | 1750 |
| Echtz, Düren, (DE) | |
| oo: | 26 Jun 1775 |
| Echtz | |
| +: | 12 Jul 1835 |
| Geich, Langerwehe, (DE) | |
| Cäcilia Frings | |
| *: | 6 Mrz 1722 |
| Langerwehe, (DE) | |
| Everhard Decker | |
| *: | 1720 |
| +: | 2 Mrz 1792 |
| Langerwehe, (DE) | |
| Maria Elisabeth Kurth | |
| *: | 1700 |
| Arnold Frings | |
| *: | 1695 |