Jan Fit was born 16 February 1770 in Bovenkarspel, North Holland, Netherlands to Freek Fit (-1781) and Marijtje Hoorn (-1797) and died 12 May 1841 Bovenkarspel, North Holland, Netherlands of unspecified causes. He married Grietje Trompetter (1776-1859) 17 January 1796 in Bovenkarspel, North Holland, Netherlands.
Children
| Name | Birth | Death | Joined with |
| Marijtje Fit (1798-1878) | |||
| Willem Fit (1800-1800) | |||
| Freek Fit (1802-1875) | 26 May 1802 Bovenkarspel, North Holland, Netherlands | 16 February 1875 Bovenkarspel, North Holland, Netherlands | Impje Buijsman (1804-1834) Antje Roosje (c1801-1871) |
| Elisabeth Fit (1805-1881) | |||
| Aafje Fit (1807-1848) | |||
| Antje Fit (1811-1811) | |||
| Antje Fit (1815-1815) | |||
| Niesje Fit (1816-1816) | |||
| Antje Fit (c1819-1854) | |||
Siblings