| Gustav Adolf Steffen |
| Gustav Adolf Steffen | |
| A: | 20 Feb 1870 |
| Skien, Telemark | |
| D: | 10 Apr 1870 |
| Sandvika, Skien, Telemark | |
| Carl August Steffen |
| Carl August Steffen | |
| F: | 15 Jan 1871 |
| Skien, Telemark | |
|
| Agnete Margrete Fredrikke Johansdatter | |
| F: | Ca 1844 |
| Larvik, Vestfold | |
| smed Samuel Frederik Steffen |
| smed Samuel Frederik Steffen | |
| F: | Ca 1822 |
| Königsberg, Preussen | |
| G: | 20 Feb 1870 |
| Skien, Telemark | |
| D: | 10 Okt 1879 |
| Sandviken, Skien, Telemark | |