Sijmon Pennekamp was born 23 August 1820 in Grootebroek, North Holland, Netherlands to Cornelis Pennekamp (1784-1834) and Antje Komen (1781-1857) and died 18 December 1889 Medemblik, North Holland, Netherlands of unspecified causes. He married Cornelia Haakman (1819-1896) 12 January 1844 in Andijk, North Holland, Netherlands.
Children
| 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-) | |||
Siblings
| Name | Birth | Death | Joined with |
| Pieter Pennekamp (c1813-) | |||
| Klaas Pennekamp (1818-1883) | |||
| Simon Pennekamp (1818-1886) | 13 June 1818 Grootebroek, North Holland, Netherlands | 17 February 1886 Wervershoof, North Holland, Netherlands | Lijsbeth Manshanden (1811-1846) Jantje Meester (1817-1854) Ariaantje Bijvoet (1818-1885) |
| Name | Birth | Death | Joined with |
| Sijmon Pennekamp (1820-1889) | 23 August 1820 Grootebroek, North Holland, Netherlands | 18 December 1889 Medemblik, North Holland, Netherlands | Cornelia Haakman (1819-1896) |
| Trijntje Pennekamp (1822-1909) | 7 April 1822 Grootebroek, North Holland, Netherlands | 1 April 1909 Westersingel, Medemblik, North Holland, Netherlands | Klaas Buis (1824-1895) |
| Jacob Pennekamp (1824-1901) | |||
Residences
Footnotes (including sources)
| ‡ General |