Cornelis Jansz de Haan was born 17 December 1773 in Hem to Jan de Haan (1738-1789) and Trijntje Backer (-1781) and died 28 August 1841 Hoorn of unspecified causes. He married Trijntje Veldhoen (1774-1842) 24 November 1793 .
Children
| Name | Birth | Death | Joined with |
| Aafje de Haan (1797-aft1824) | 15 October 1797 Hem | 1824 | Klaas Brandsen (c1800-) |
| Jan de Haan (1794-1849) | |||
| Maarten de Haan (1796-1796) | |||
| Trijntje de Haan (1799-bef1807) | |||
| Vrouwtje de Haan (1800-1800) | |||
| Melis de Haan (1802-1802) | |||
| Pieter de Haan (1803-1855) | 29 November 1803 Hem, North Holland, Netherlands | 14 January 1855 Hoogkarspel, North Holland, Netherlands | Marijtje Hoffer (1806-1869) |
| Maarten de Haann (1805-1857) | |||
| Vrouwtje de Haan (1807-1807) | |||
| Nicolaas de Haan (1809-1859) | |||
| Vrouwtje de Haan (1811-1811) | |||
Footnotes (including sources)
| ‡ General |
| ¶ Death |