Name | Role | Place | Source | |
---|---|---|---|---|
Johannes Leonardus Willem van der Werf | Child | 1891 | 's-Gravenhage | Civil registration births |
Leonardus Johannes Antonius van der Werf | Child | 1902 | Boskoop | Civil registration births |
Leonardus Johannes van der Werf | Child | 1902 | Voorschoten | Civil registration births |
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