

![]() | Jan Otto Gjessing |
| Jan Otto Gjessing | |
| F: | 1944 |
| Horten, Vestfold, Norway | |
![]() | Yngvar Otto Gjessing |
| Yngvar Otto Gjessing | |
| F: | 20 Nov 1917 |
| Stokke, Vestfold, Norway | |
| D: | 30 Nov 1996 |
| Horten, Vestfold, Norway | |
![]() | Lea Alvilde Sperredal |
| Lea Alvilde Sperredal | |
| F: | 4 Sep 1920 |
| G: | 1941 |
| D: | 7 Apr 1986 |
| Horten, Vestfold, Norway | |
![]() | Gudrun Oline Pettersen |
| Gudrun Oline Pettersen | |
| F: | 30 Jun 1893 |
| Stokke, Vestfold, Norway | |
| D: | 1940 |
| Horten, Vestfold, Norway | |
![]() | Halvard Martin Gjessing |
| Halvard Martin Gjessing | |
| F: | 25 Feb 1888 |
| Oslo, Norway | |
| D: | 1963 |
| Horten, Vestfold, Norway | |
| Randine Andrea Simonsdatter | |
| F: | 21 Jan 1871 |
| Stokke, Vestfold, Norway | |
![]() | Johan Alfred Pettersen |
| Johan Alfred Pettersen | |
| F: | 11 Jul 1863 |
| Brofoss, Bohuslän, Sweden | |
| G: | 16 Okt 1892 |
| Sandefjord, Vestfold, Norway | |