| Father | Hans Eriksen Kosberg (1852 - 1935) |
| Mother | Berit Persdt. Engan (1849 - 1900) |
| Sibling | Ole Hansen Kosberg (1886 - ) |
| Sibling | Einar Hansen Kosberg (1884 - ) |
| Sibling | Haldor Hansen Kosberg (1868 - 1869) |
| Sibling | Gullaug Hansdatter Kosberg (1893 - 1909) |
| Sibling | Peder Hansen Kosberg (1890 - ) |
| Sibling | Erik Hansen Kosberg (1876 - 1910) |
| Sibling | Anne Hansdatter Kosberg (1874 - 1875) |
| Sibling | Jente Hansen Kosberg (1873 - ) |
| Sibling | Hans Hansen Kosberg (1881 - 1927) |
| Sibling | Per Hansen Kosberg (1878 - 1947) |
| Sibling | Hans Persen Kosberg (1878 - 1878) |