

| Johannes Jakob Loo | |
| *: | 5 Feb 1827 |
| Gressenich, (DE) | |
| +: | 7 Feb 1827 |
| Gressenich, (DE) | |
| Petronella Loo | |
| *: | 28 Aug 1834 |
| Gressenich, (DE) | |
| +: | 31 Mrz 1855 |
| Gressenich, (DE) | |
| Maria Catharina Heck | |
| *: | 25 Mrz 1856 |
| Gressenich, (DE) | |
| +: | 26 Jan 1858 |
| Gressenich, (DE) | |
| Matthias Heck | |
| *: | 13 Jul 1857 |
| Gressenich, (DE) | |
| Wilhelm Heck | |
| *: | 20 Jun 1859 |
| Gressenich, (DE) | |
| +: | 23 Jun 1859 |
| Gressenich, (DE) | |
| Maria Catharina Loo | |
| *: | 17 Jun 1828 |
| Gressenich, (DE) | |
| +: | 24 Jun 1859 |
| Gressenich, (DE) | |
| Paul Heck | |
| *: | 1826 |
| Wenau, Langerwehe, (DE) | |
| oo: | 1 Jun 1855 |
| Gressenich, (DE) | |
| +: | lange vor 1939 |
|
| Anna Catharina Franzen | |
| *: | 11 Apr 1794 |
| Schevenhütte, (DE) | |
| +: | 11 Mai 1867 |
| Gressenich, (DE) | |
| Johannes Jakob Loo | |
| *: | 1788, 1789 |
| Hombourg, Lüttich, (BE) | |
| oo: | 28 Apr 1826 |
| Gressenich, (DE) | |