| Item | Date | Place/Description |
|---|---|---|
| Birth | 1819 | Landau, Ukraine, Russia |
| Parent | Name |
|---|---|
| Father | Anton Erhardt |
| Mother | Elisabetha Frenzel |
| Son: | Joseph Erhardt | Born: 1845 | |
| Son: | Peter Erhardt | Born: 15 Jul 1853 | |
| Son: | Anton Erhardt | Born: 17 Jan 1858 | |
| Daughter: | Agatha Erhardt | Born: 1850 | |
| Daughter: | Apolonia Erhardt | Born: 1855 |