| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jan Alzerda | Child | 1880 | Niehove | Civil registration births |
| Jan Alzerda | Child | 1882 | Niehove | Civil registration births |
| Jan Douwes Alzerda | Father | 1850 | Opende | Civil registration births |
| Jan Douwes Alzerda | Father | 1853 | Opende | Civil registration births |
| Jan Douwes Alzerda | Father | 1849 | Grootegast | Civil registration deaths |
| Jan Douwes Alzerda | Father | 1849 | Opende | Civil registration births |
| Jan Douwes Alzerda | Father of groom | 1876 | Oldehove | Civil registration marriages |
| Jan Douwes Alzerda | Father | 1846 | Opende | Civil registration births |
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