| Helmbolt, Carl Joh. | Helmbolt Joh.es | 1897 | |
| Helmbolt, Hermann Heinrich Justus | 1958 | ||
| Helmbolt, i.d.Geb.verst. | Helmbolt Joh.s | 1882 | |
| Helmbolt, Johanne Anna Margarethe | Bauer | Helmbolt Hermann Heinrich Justus | 1961 |
| Helmbolt, Katharine Elisabeth | Fuhrmann | Helmbolt Johannes | 1913 |