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| Wietgrefe, Emmi Emilie | 1919 | Blumenthal | |
| Wietgrefe, Heinrich | 1908 | Bremen 1 | |
| Wietgrefe, Heinrich Wilhelm | 1952 | Bremen-Blumenthal | |
| Wietgrefe, Karl Heinrich | 1910 | Blumenthal | |
| Wietgrefe, Karl Heinrich | 1914 | Blumenthal | |
| Wietgrefe, Luise Emilie | 1915 | Blumenthal | |
| Wietgrefe, Susanna Henriette | Wünschiers | 1953 | Bremen-Blumenthal |
| Wietgrefe, Wilhelm Heinrich Johannes | 1977 | Bremen-Nord |