Jan Jansz Zwemmer was born circa 1730 and died 1824 Beemster of unspecified causes. He married Neeltje Sijmons Duijvens . He married Hansje Moerbeek (c1735-bef1824) 16 October 1757 in Zwaag.
Children
| Name | Birth | Death | Joined with |
| Elizabetha Zwemmer (1760-) | |||
| Petrus Zwemmer (1761-) | |||
| Jan Zwemmer (c1761-1841) | 24 August 1765 Zwaag, North Holland, Netherlands | 31 March 1841 Wognum, North Holland, Netherlands | Maartje Bakker (-bef1809) Jannetje Brink Maartje Groteboer |
| Claas Zwemmer (1768-) | |||
Footnotes (including sources)
| ‡ General |
| Ω Birth |
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