Trijntje Koopman was born 7 May 1792 in Zwaagdijk, North Holland, Netherlands to Petrus Koopman (1752-1810) and Maartje Schouten (1750-) and died 7 December 1829 Wervershoof, North Holland, Netherlands of unspecified causes. She married Pieter Commandeur (1778-1841) 25 October 1828 in Wervershoof, North Holland, Netherlands.
Children
| Name | Birth | Death | Joined with |
| Geertje Commandeur (1829-1866) | 30 October 1829 Wervershoof, North Holland, Netherlands | 17 August 1866 Wervershoof, North Holland, Netherlands | Jan Neefjes (1831-1915) |
Siblings
| Name | Birth | Death | Joined with |
| Jan Koopman (1774-1844) | 21 July 1774 Hoogkarspel, North Holland, Netherlands | 28 February 1844 Hoogkarspel, North Holland, Netherlands | Marijtje Snip (1777-1846) |
| Meinoutje Koopman (1779-1823) | |||
| Cornelis Koopman (1793-) | |||
| Neeltje Koopman (1786-) | |||
| Trijntje Koopman (1792-1829) | 7 May 1792 Zwaagdijk, North Holland, Netherlands | 7 December 1829 Wervershoof, North Holland, Netherlands | Pieter Commandeur (1778-1841) |
| Name | Birth | Death | Joined with |
| Maartje Koopman (1796-1797) | |||
Residences
Footnotes (including sources)
| ¶ Death |