| Petzer, Alwin August Ludolph | Krenge | 1886 | Bremen |
| Petzer, Friedr. Will. Otto | Krenge | 1892 | Bremen |
| Petzer, Friedrich Wilhelm Heinrich Reinhold Albert | Krenge | 1885 | Bremen |
| Petzer, Louise Mathilde Emma | Krenge | 1890 | Bremen |
| Petzer, Margarethe Frdr.ke Wilh. | Krenge | 1889 | Bremen |