| Wittgrefe, August Diedrich | Dövener | 1900 | Bremen |
| Wittgrefe, Auguste Catharine | Hadeler | 1900 | Bremen |
| Wittgrefe, Auguste Kord | Hadeler | 1908 | Bremen 1 |
| Wittgrefe, Friedrich August | Dövener | 1898 | Bremen |
| Wittgrefe, Heinrich Christian Conrad | Dövener | 1890 | Bremen |
| Wittgrefe, Heinrich Friedrich | Hadeler | 1897 | Bremen |
| Wittgrefe, Helene Elise Marie | Hadeler | 1905 | Bremen 1 |
| Wittgrefe, Margarete Sophie Marie | Meyer | 1893 | Bremen |
| Wittgrefe, Marie | Dövener | 1894 | Bremen |
| Wittgrefe, Rudolf Cord | Dövener | 1896 | Bremen |
| Wittgrefe, Sophie Dorothee anna | Meyer | 1894 | Bremen |
| Wittgrefe, Wilhelm Diedrich Otto | Hadeler | 1902 | Bremen 1 |
| Wittgrefe, Wilhelm Heinrich | Dövener | 1891 | Bremen |