| Peter Leonard Jacobsen |
| Peter Leonard Jacobsen | |
| F: | 01 Des 1871 |
| Skien, Telemark | |
| Jonas Anton Jacobsen |
| Jonas Anton Jacobsen | |
| F: | 25 Mai 1873 |
| Porsgrunn, Telemark | |
|
| Karstine Amalie Petersdatter | |
| F: | 18 Jan 1845 |
| Larvik, Vestfold | |
| typograf August Leonard Jacobsen | |
| F: | 1843 |
| Näsinge, Sverige | |
| G: | 17 Sep 1871 |
| Skien, Telemark | |