Name | Role | Place | Source | |
---|---|---|---|---|
Anton Theodoor Karel Joseph Koch | Registered | 1880 | Population register | |
Georg Karel Theodoor Koch | Registered | 1889 | Amsterdam | Overgenomen delen |
Georg Karel Theodoor Koch | Registered | 1889 | Amsterdam | Population register |
George Karel Theodoor Koch | Registered | 1889 | Amsterdam | Population register |
Jan Karel Theodoor Koch | Registered | Zutphen | Population register | |
Karel Theodoor Koch | Military | Studbook | ||
Theodoor Karel Johan Koch | Registered | 1907 | Delft | Population register |
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