| Holtgrefe, Agnes Johanne Maria | 1964 | Bremen-Hemelingen | |
| Holtgrefe, Anna Elise | Oldenburg | 1992 | Bremen-Nord |
| Holtgrefe, Elisabeth Henriette | Zebrowsky | 1925 | Bremen 1 |
| Holtgrefe, Else Agnes Elisabeth | 1912 | Bremen 1 | |
| Holtgrefe, Heinz Wilhelm Hans | 1947 | Bremen-Mitte | |
| Holtgrefe, Helene Elfriede Martha | Hanßen | 1973 | Bremen-Mitte |
| Holtgrefe, Johannes | 1904 | Bremen 1 | |
| Holtgrefe, Johannes Carl Ernst August | 1962 | Bremen-Mitte | |
| Holtgrefe, Walter | 1913 | Grambke |