Hermanus Wennink was born circa 21 March 1762 in Amsterdam, North Holland, Netherlands to Hermanus Wennink (1734) and Christina Visdijck (1739) and died 15 January 1829 Amsterdam, North Holland, Netherlands of unspecified causes. He married Cornelia Janssen (1769) .
Children
| Name | Birth | Death | Joined with |
| Joannis Wennink (c1802-?) | 4 July 1802 Amsterdam, North Holland, Netherlands | Anna Maria Climes (1801) | |
Residences
Footnotes (including sources)
| ‡ General |
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