| Grotum, Diedrich Heinrich Wilhelm | 1946 | Bremen-Mitte | |
| Grotum, Dorothee | Ulrich | 1895 | Bremen |
| Grotum, Friedrich Dietrich Heinrich | 1913 | Bremen 1 | |
| Grotum, Heinrich Dietrich Fritz | 1976 | Bremen-Mitte | |
| Grotum, Marga Clausine | Rogalski | 1982 | Bremen-Mitte |
| Grotum, Ralf Otto Wilhelm | 1983 | Bremen-Mitte |