1893 - 1978 (84 years)(Notes: You may have to scroll down or right to see chart.)
| Johannes Franz Christian Petersen 1893-1978 |
| Johannes Franz Christian Petersen | |
| B: | 22 Apr 1893 |
| Noer, Rendsburg-Eckernforde, Schleswig-Holstein, Germany | |
| D: | 31 Jan 1978 |
Helene Anna Else Jahn 1896-1978 |
| Helene Anna Else Jahn | |
| B: | 2 Apr 1896 |
| Groß Poplow, Belgard, Pommern | |
| D: | 7 Mar 1978 |
