Cornelis Commandeur was born 11 November 1818 in Sint Maarten, North Holland, Netherlands to Jacob Commandeur (c1782-c1852) and Trijntje Zwemmer (1787-1842) and died 2 March 1903 Wogmeer, North Holland, Netherlands of unspecified causes. He married Trijntje van Diepen (1817-1901) 1 April 1845 in Berkhout, North Holland, Netherlands.
He married his second cousin once removed; both descend from Pieter Reijers Commandeur (c1660-1717).
Children
| Name | Birth | Death | Joined with |
| Jacob Commandeur (1846-?) | |||
| Aafje Commandeur (1847-?) | |||
| Trijntje Commandeur (1849-?) | |||
| David Commandeur (1850-?) | |||
| Aaltje Commandeur (1852-aft1889) | 30 January 1852 Hensbroek | 14 October 1890 Hoogkarspel | Meindert Keizer (1851-1926) |
| Engeltje Commandeur (1854-?) | |||
| Sijvert Commandeur (1855-?) | |||
| Tamis Commandeur (1857-?) | |||
| Jan Commandeur (1860-?) | |||
| Cornelis Commandeur (1863-?) | |||
Footnotes (including sources)
| ‡ General |