

| Johannes Heinrich Merckens | |
| *: | 9 Jan 1755 |
| Langerwehe, (DE) | |
| Johannes Peter Merken | |
| *: | 19 Feb 1757 |
| Langerwehe, (DE) | |
| Anna Gertrude Merckens | |
| *: | 27 Okt 1759 |
| Langerwehe, (DE) | |
| Arnold Merckens | |
| *: | 10 Jan 1762 |
| Langerwehe, (DE) | |
| Maria Catharina Merckens | |
| *: | 4 Jul 1765 |
| Langerwehe, (DE) | |
| Anna Sophia Merckens | |
| *: | 28 Aug 1768 |
| Langerwehe, (DE) | |
|
| Kaspar Merckens | |
| *: | 5 Okt 1727 |
| Langerwehe, (DE) | |
| +: | 1 Mrz 1804 |
| Langerwehe, (DE) | |