| Georg Michael Helferich |
| Georg Michael Helferich | |
| *: | 25 Feb 1875 |
| Heddesheim, Rhein-Neckar-Kreis, DE | |
| +: | 23 Apr 1935 |
| Heddesheim, Rhein-Neckar-Kreis, DE | |
| Cleofa (Chleopha) Klemm |
| Cleofa (Chleopha) Klemm | |
| *: | 20 Feb 1877 |
| Heddesheim, Rhein-Neckar-Kreis, DE | |
| oo: | 14 Okt 1899 |
| Heidelberg, Baden, DE | |
| +: | 15 Jan 1940 |
| Heddesheim, Rhein-Neckar-Kreis, DE | |
|
| Catharina Carolina Klermond |
| Catharina Carolina Klermond | |
| *: | 1849 |
| Heddesheim, Rhein-Neckar-Kreis, DE | |
| +: | 24 Apr 1875 |
| Heddesheim, Rhein-Neckar-Kreis, DE | |
| Georg Michael Helferich |
| Georg Michael Helferich | |
| *: | 28 Dez 1851 |
| Heddesheim, Rhein-Neckar-Kreis, DE | |
| oo: | 18 Dez 1873 |
| Heddesheim, Rhein-Neckar-Kreis, DE | |
| +: | 30 Mai 1920 |
| Heddesheim, Rhein-Neckar-Kreis, DE | |