| Item | Date | Place/Description |
|---|---|---|
| Birth | 1819 | Landau, Odessa, Ukraine |
| Parent | Name |
|---|---|
| Father | Christian Fleck |
| Mother | Marie-Elizabeth Heidt |
| Son: | Matthias Jonas | Born: 3 Jan 1838 | |
| Son: | Johann J. Jonas | Born: 13 Jun 1853 | |
| Son: | Christian Jonas | Born: 24 Aug 1856 | |
| Daughter: | Katharina Jonas | Born: 1848 | |
| Daughter: | Elisabetha Jonas | Born: 1850 | |
| Son: | Lorenz Jonas | Born: 20 Jun 1844 |