| 1. Carl Jahns |
 |
| B: |
25 Dec 1878 |
| P: |
Zapust, Luzk, Volhynia |
| D: |
6 Jan 1879 |
| P: |
Zapust, Luzk, Volhynia |
|
| 2. Daniel Jahns |
|
| B: |
26 Jul 1849 |
| P: |
Gora, Lodz, Poland |
| M: |
7 Jul 1871 |
| P: |
Zgierz, Lodz, Poland |
| D: |
1924 |
| P: |
|
|
| 4. Christoph Johann Jahns |
|
| B: |
27 Apr 1811 |
| P: |
Przyszeker Haula, Posen |
| M: |
30 Nov 1856 |
| P: |
|
| D: |
30 Nov 1856 |
| P: |
Pustkowa Gora, Lodz, Poland |
|
|
1878 - 1879