| Mennel, Albert | 1897 | Bremen | |
| Mennel, Carl Heinr. Franz | 1889 | Bremen | |
| Mennel, Doris Anna Johe. | Koster | 1908 | Bremen 1 |
| Mennel, Friedrich August | 1884 | Bremen | |
| Mennel, Friedrich August | 1891 | Bremen | |
| Mennel, Fritz Hans | 1979 | Bremen-Mitte | |
| Mennel, Otto Richard Friedrich | 1955 | Bremen-Mitte |