| Otto Alfred Arntsen Thorstad | |
| F: | 09 Aug 1850 |
| Skien, Telemark | |
Ca 1855-
| Arnt Thorstad | |
| F: | Ca 1855 |
| Hedrum, Vestfold | |
1862-
| Eilert Leopold Thorstad | |
| F: | 04 Mar 1862 |
| Hedrum, Vestfold | |
| agronom\forvalter Arnt Olsen Thorstad | |
| F: | 07 Apr 1823 |
| Thorstad, Lier, Buskerud | |
| Kirstine Martine Larsdatter | |
| F: | 25 Nov 1824 |
| Langesund, Bamble, Telemark | |
| G: | 13 Apr 1850 |
| Skien, Telemark | |