

| Otto Ingolf Johannessen Hjertholm | |
| F: | 4 Apr 1887 |
| Dale Fabrikker, Vaksdal, Hordaland, Norway | |
| Sigurd Leonard Johannessen Hjertholm | |
| F: | 20 Jun 1889 |
| Dale Fabrikker, Vaksdal, Hordaland, Norway | |
| Bjarne Moritz Johan André Johannessen Hjertholm | |
| F: | 12 Apr 1892 |
| Dale Fabrikker, Vaksdal, Hordaland, Norway | |
| D: | 2 Sep 1971 |
| Bærum, Akershus, Norway | |
| Trygve Olav Cato Johannessen Hjertholm | |
| F: | 25 Jul 1895 |
| Dale Fabrikker, Vaksdal, Hordaland, Norway | |
| Johannes Berthelsen Hjertholm | |
| F: | 20 Mar 1856 |
| Hjertholm, Brekke, Gulen, Sogn og Fjordane, Norway | |
| Andrea Olsdatter Brudvik | |
| F: | 25 Apr 1861 |
| Arne Fabrikker, Ytre Arna, Hordaland, Norway | |
| G: | 27 Mai 1884 |
| Ytre Arna Kirke, Ytre Arna, Hordaland, Norway | |