| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jan Anton Udo | Child | 1910 | Heerewaarden | Civil registration births |
| Jan Anton Udo | Registered | Tiel | Population register | |
| Jan Anton Udo | Registered | Tiel | Population register | |
| Jan Anton Udo | Child | 1910 | Heerewaarden | Civil registration births |
| Jan Anton Udo | Registered | Tiel | Population register | |
| Jan Anton Udo | Child | 1910 | Heerewaarden | Civil registration births |
| Jan Anton Udo | Registered | 1910 | Heerewaarden | Population register |
| Jan Anton Udo | Registered | 1921 | Heerewaarden | Population register |
| Jan Anton Udo | Registered | 1931 | Heerewaarden | Population register |
| Jan Anton Udo | Groom | 1938 | Zuilen, Heerewaarden | Civil registration marriages |
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