Geertje Bakker was born 18 February 1792 in Bangert, Andijk, North Holland, Netherlands to Cornelis Bakker (1765-1838) and Marijtje Commandeur (1766-1832) and died 6 June 1821 Lagedijk, Wervershoof, North Holland, Netherlands of unspecified causes. She married Cornelis Koopman (1786-1822) 28 January 1810 in Wervershoof, North Holland, Netherlands.
Children
| Name | Birth | Death | Joined with |
| Maartje Koopman (1812-1812) | |||
| Jan Koopman (1813-1862) | 11 October 1813 Andijk, North Holland, Netherlands | 1 January 1862 Wervershoof, North Holland, Netherlands | Grietje Laan (1814-1882) |
| Maartje Koopman (1814-1898) | 5 October 1814 Andijk, North Holland, Netherlands | 10 June 1898 Binnenwijzend, Westwoud, North Holland, Netherlands | Paulus Neefjes (1816-1847) Jacob Wagenaar (1813-1882) |
| Trijntje Koopman (c1818-) | |||
| Pieter Koopman (c1820-1824) | |||
Siblings
| Name | Birth | Death | Joined with |
| Maartje Bakker (1790-aft1820) | |||
| Geertje Bakker (1792-1821) | 18 February 1792 Bangert, Andijk, North Holland, Netherlands | 6 June 1821 Lagedijk, Wervershoof, North Holland, Netherlands | Cornelis Koopman (1786-1822) |
| Jan Cornelisz (1793-) | |||
| Arie Cornelisz (1795-) | |||
| Pieter Bakker (1797-1797) | |||
| Pieter Bakker (1798-aft1846) | |||
| Immetje Bakker (1800-1800) | |||
| Immetje Bakker (1801-1839) | |||
| Klaas Bakker (1803-1886) | |||
| Jacob Bakker (1807-aft1833) | |||
Residences
Footnotes (including sources)
| Ω Birth |
| ¶ Death |