| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jacob Lewandowski | Partner | 1950 | Enschede | Civil registration deaths |
| Jacob Lewandowski | Father | 1950 | Enschede | Civil registration deaths |
| Jacob Lewandowski | Father of groom | 1935 | Amsterdam | Civil registration marriages |
| Jacob Lewandowski | Partner | 1950 | Enschede | Civil registration deaths |
| Jacob Lewandowski | Father | 1950 | Enschede | Civil registration deaths |
| Jacob Lewandowski | Father | 1943 | Oswiecim | Civil registration deaths |
| Jacob Lewandowski | Partner | 1943 | Sobibor | Civil registration deaths |
| Jacob Lewandowski | Father of groom | 1924 | Utrecht | Civil registration marriages |
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