

| Johannes Jakob Robertz | |
| *: | 5 Jul 1827 |
| Wehr, Heinsberg, (DE) | |
| +: | 22 Jul 1901 |
| Gressenich, (DE) | |
| Christina Geuenich | |
| +: | 20 Mrz 1867 |
| Langerwehe, (DE) | |
| Anna Christina Deux | |
| *: | 30 Dez 1825 |
| Gressenich, (DE) | |
| oo: | 12 Okt 1869 |
| Gressenich, (DE) | |
| +: | 8 Sep 1914 |
| Gressenich, (DE) | |