Familj: Fritz Hendrik Koch / Alma Charlotte Koch (F500405)
 | Fritz Hendrik Koch (1857- ) |
 | Alma Charlotte Koch (1872- ) |
| Gottlíeb Hans Georg Koch (1899- )  |
| Edith Koch (1901- ) |
| Fritz Hendrik Koch (1857- ) |
| Alma Charlotte Koch (1872- ) |
| Gottlíeb Hans Georg Koch (1899- ) |
| Edith Koch (1901- ) |