| Male Sieb Oosterhof |
| Birth | 9 Feb 1945 | Groningen, Groningen, The Netherlands |
| Death | 17 Apr 2018 | Groningen, Groningen, The Netherlands |
| Burial | ||
| Marriage | 17 Dec 1970 | Meppel, Drente, The Netherlands |
| Father | ||
| Mother | ||
FemaleYvonne Dünnwald |
| Birth | 29 Apr 1946 | Banjoebiroe, Java, DEI |
| Death | 20 Sep 2002 | Paterswolde, Groningen, The Netherlands |
| Burial | ||
| Father | Gerhard Mathias Rudolf Dünnwald | F4 Group Sheet | |
| Mother | Jeanne Augustin Tarenskeen | F4 Group Sheet | |