| Father | Nicolaas Cornelis de Koning (1849 - ) |
| Mother | Cornelia Adriaantje Jungerius (1850 - ) |
| Sibling | Elsje (Elizabeth) de Koning (1874 - ) |
| Sibling | Nicolaas Bastiaan Cornelis Basriaan Aart Jacob de Koning (1876 - ) |
| Sibling | Bastiaan Nicolaas de Koning (1878 - ) |
| Sibling | Trijntje Adriana/ Trijnje Cornelia de Koning de Koning/ (1879 - ) |
| Sibling | Jan Hendrik de Koning (1881 - ) |
| Sibling | Arie de Koning (1882 - ) |
| Sibling | Fas de Koning (1883 - ) |
| Sibling | Leendert de Koning (1885 - ) |
| Sibling | Cornelia Adriana de Koning (1886 - ) |
| Sibling | Maria Elisabeth Elizabeth Elsje de Koning (1888 - ) |
| Sibling | Aart Bastiaan Jacob de Koning (1889 - ) |
| Sibling | Cornelis Nicolaas de Koning (1892 - ) |