Familie: Hammer, Hans Jacob Grøgaard / Halvorsen, Dorthea (F4777)
 | Hammer, Hans Jacob (1819-1886) 
|
 | Grønn, Antonette Helene (1848-1913) |
 | Hammer, Helene Sofie (1875-1957)  |
| Hammer, Karen Dorthea (1876-1948) |
| Hammer, Marie Antonette (1879- ) |
 | Hammer, Leif (1882-1966) |
 | Hammer, Hans Jacob Grøgaard (1878-1962)
|
| Halvorsen, Dorthea (1880-1960) |