

| Halvard Martin Gjessing | |
| F: | 25 Feb 1888 |
| Oslo, Norway | |
| D: | 1963 |
| Horten, Vestfold, Norway | |
| Agnes M. Kristiansen | |
| F: | 28 Jun 1889 |
| Borre, Horten, Vestfold, Norway | |
| G: | 6 Des 1913 |
| Horten Kirke, Horten, Vestfold, Norway | |
| Yngvar Otto Gjessing | |
| F: | 20 Nov 1917 |
| Stokke, Vestfold, Norway | |
| D: | 30 Nov 1996 |
| Horten, Vestfold, Norway | |
| Lea Alvilde Sperredal | |
| F: | 4 Sep 1920 |
| G: | 1941 |
| D: | 7 Apr 1986 |
| Horten, Vestfold, Norway | |
| Gudrun Oline Pettersen | |
| F: | 30 Jun 1893 |
| Stokke, Vestfold, Norway | |
| D: | 1940 |
| Horten, Vestfold, Norway | |
| Anna Christine Gjessing | |
| F: | 1889 |
| Oslo, Norway | |
| D: | 3 Jan 1916 |
| Horten, Vestfold, Norway | |
| Lars Gjessing | |
| F: | 1891 |
| Oslo, Norway | |
| Anders Gjessing | |
| F: | 1892 |
| Borre, Horten, Vestfold, Norway | |
| Peder Gjessing | |
| F: | 1894 |
| Oslo, Norway | |
| Harald Gjessing | |
| F: | 1896 |
| Oslo, Norway | |
| Lilly Gjessing | |
| F: | 1898 |
| Oslo, Norway | |
| Harald Andersen Gjessing | |
| F: | 17 Sep 1865 |
| Horten, Vestfold, Norway | |
| D: | 24 Mar 1910 |
| Hurum, Buskerud, Norway | |
| Karoline Emilie Larsen | |
| F: | 16 Jan 1864 |
| Kongsberg, Buskerud, Norway | |
| D: | 25 Jun 1949 |
| Horten, Vestfold, Norway | |
| Anders Paulsen Gunnarstad | |
| F: | 15 Feb 1835 |
| Ramnes, Tønsberg, Vestfold, Norway | |
| Anne Marie Halvorsdatter Bastø | |
| F: | 1839 |
| Bastøy, Borre, Horten, Vestfold, Norway | |
| G: | 1862 |