1866 - 1939 (73 Jahre)
| Dipl.Ing. Adolf Theyssen 1901-1964 |
| Dipl.Ing. Adolf Theyssen | |
| *: | 14 Jun 1901 |
| Saarbrücken | |
| +: | 02 Jul 1964 |
| Dortmund | |
Erika Gertrud Klara Polex 1907-1935 |
| Erika Gertrud Klara Polex | |
| *: | 10 Sep 1907 |
| Bingen a. Rhein | |
| oo: | 19 Mai 1928 |
| Bingen a. Rhein | |
| +: | 06 Sep 1935 |
| Mainz | |
| Hugo Theyssen 1866-1939 |
| Hugo Theyssen | |
| *: | 10 Feb 1866 |
| Hilfarth | |
| +: | 05 Mai 1939 |
| Wiesbaden | |
| Klara Preysz 1875-1953 |
| Klara Preysz | |
| *: | 30 Jun 1875 |
| Düsseldorf | |
| oo: | 17 Nov 1898 |
| Düsseldorf | |
| +: | 02 Jul 1953 |
| Altastenberg | |
