Cornelis Pennekamp was born 6 March 1846 in Onderdijk, North Holland, Netherlands to Sijmon Pennekamp (1820-1889) and Cornelia Haakman (1819-1896) and died 27 October 1885 Wervershoof, North Holland, Netherlands of unspecified causes. He married Cornelia Visser (1837-1894) 11 January 1872 in Wervershoof, North Holland, Netherlands.
Siblings
| Name | Birth | Death | Joined with |
| Cornelis Pennekamp (1846-1885) | 6 March 1846 Onderdijk, North Holland, Netherlands | 27 October 1885 Wervershoof, North Holland, Netherlands | Cornelia Visser (1837-1894) |
| Dirk Pennekamp (1848-) | |||
| Elizabeth Pennekamp (1847-) | |||
| Antje Pennekamp (1850-1887) | |||
| Geertje Pennekamp (1851-1879) | |||
| Jansje Pennekamp (1862-) | |||
Residences
Footnotes (including sources)
| ‡ General |
| ₪ Wedding |
| ¶ Death |