1855 - 1920 (65 Jahre)
| Hans- Georg Siebeck 1911-1990 |
| Hans- Georg Siebeck | |
| *: | 4 Okt 1911 |
| Tübingen | |
| +: | 24 Okt 1990 |
| Tübingen | |
| Oskar Siebeck 1880-1936 |
| Oskar Siebeck | |
| *: | 29 Jul 1880 |
| Tübingen | |
| +: | 24 Feb 1936 |
| Berlin | |
| Richard Siebeck 1883- |
| Richard Siebeck | |
| *: | 10 Apr 1883 |
| Robert Siebeck 1885- |
| Robert Siebeck | |
| *: | 19 Sep 1885 |
| Werner Siebeck 1891-1934 |
| Werner Siebeck | |
| *: | 14 Mrz 1891 |
| +: | 1934 |
|
| Paul Siebeck 1855-1920 |
| Paul Siebeck | |
| *: | 7 Mrz 1855 |
| Tübingen | |
| +: | 20 Nov 1920 |
| Heilbronn | |
Thekla Elisabethe Landerer 1857-1919 |
| Thekla Elisabethe Landerer | |
| *: | 31 Mai 1857 |
| Göppingen | |
| oo: | 23 Sep 1879 |
| Göppingen | |
| +: | 13 Jun 1919 |
| Tübingen | |
