| Name | Role | Place | Source | |
|---|---|---|---|---|
| Helena Nowacka | Bride | 1929 | Baarn, Gnesen/Duitschland | Civil registration marriages |
| Helena Nowacka | Mother | 1940 | Baarn | Civil registration deaths |
| Helena Nowacka | Mother | 1932 | Utrecht | Civil registration deaths |
| Helena Nowacka | Travelers | 1905 | Rotterdam | Passenger registers |
| Helena Nowacka | Deceased | 2010 | Salon-de-Provence | Civil registration deaths |
| Helena Nowacka | Deceased | 2010 | Salon-de-Provence | Civil registration deaths |
| Helena Nowacka | Deceased | 2007 | Hénin-Beaumont | Civil registration deaths |
| Helena Nowacka | Travelers | 1913 | Rotterdam | Passenger registers |
| Helena Nowacka | Deceased | 2007 | Hénin-Beaumont | Civil registration deaths |
| Helena Nowacka | Mother | 1932 | Utrecht | Civil registration deaths |
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