| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jacob Dirk Cozijnsen | Registered | 1889 | Amsterdam | Population register |
| Jacob Dirk Cozijnsen | Conscript | 1939 | Velsen | Militia records |
| Jacob Dirk Cozijnsen | Groom | 1915 | Schoten | Civil registration marriages |
| Jacob Dirk Cozijnsen | Registered | 1889 | Amsterdam | Militia records |
| Jacob Dirk Cozijnsen | Registered | 1939 | Militia records | |
| Jacob Dirk Cozijnsen | Child | 1889 | 's-Gravenhage | Civil registration births |
| Jacob Dirk Cozijnsen | Deceased | 1956 | Velsen, 's-Gravenhage | Civil registration deaths |
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