| Kristian Ferdinand Landgraff | |
| A: | 18 Jan 1880 |
| Skien, Telemark | |
|
| Susanne Christiane Ottosdatter Landgraff |
| Susanne Christiane Ottosdatter Landgraff | |
| F: | 01 Feb 1858 |
| Skien, Telemark | |
| D: | 28 Okt 1927 |
| Oslo | |
| Frants Landgraff |
| Frants Landgraff | |
| F: | Ca 1854 |
| Lardal, Vestfold | |
| G: | 05 Apr 1879 |
| Skien, Telemark | |
| D: | 1923 |
| Skien, Telemark | |