

| Johannes Heinrich Derhaag | |
| *: | 27 Sep 1865 |
| St. Tönis, (DE) | |
| Maria Magdalena Derhaag | |
| *: | 23 Jan 1870 |
| St. Tönis, (DE) | |
| Johannes Peter Derhaag | |
| *: | 18 Nov 1871 |
| St. Tönis, (DE) | |
| Johannes Peter Josef Derhaag, StTönis-D∞1865 | |
| oo: | 26 Apr 1865 |
| Standesamt, St. Tönis, (DE) | |