

![]() | Haakon Johan Helsing |
| Haakon Johan Helsing | |
| F: | 25 Okt 1905 |
| Oslo, Norway | |
| D: | 14 Apr 1959 |
| Oslo, Norway | |
![]() | Marie von Krogh |
| Marie von Krogh | |
| F: | 26 Des 1905 |
| G: | 1939 |
| D: | 24 Jan 2003 |
| Oslo, Norway | |
|
| Johan Christian Tønnesen Martinsen Helsing | |
| F: | 10 Apr 1871 |
| Kristiansund, Møre og Romsdal, Norway | |
| D: | 1930 |
| Grethe Kristine Kristiansdatter Gjestvang | |
| F: | 13 Jun 1869 |
| Nes, Hallingdal, Buskerud, Norway | |
| G: | 15 Des 1900 |
| Oslo, Norway | |
| D: | 1945 |