Jacob Koomen was born 17 February 1851 in Wervershoof, North Holland, Netherlands to Klaas Komen (1817-1891) and Marijtje Steltenpool (1821-1902) and died 15 January 1924 Wervershoof, North Holland, Netherlands of unspecified causes. He married Pietertje Doodeman (1854-1928) 7 April 1880 in Wervershoof, North Holland, Netherlands.
Siblings
| Name | Birth | Death | Joined with |
| Trijntje Koomen (1842-1917) | |||
| Hermanus Koomen (1844-1934) | |||
| Maartje Koomen (1846-1936) | |||
| Elisabeth Koomen (1848-) | |||
| Geertje Koomen (1850-) | |||
| Jacob Koomen (1851-1924) | 17 February 1851 Wervershoof, North Holland, Netherlands | 15 January 1924 Wervershoof, North Holland, Netherlands | Pietertje Doodeman (1854-1928) |
| Johannes Koomen (1852-1934) | 16 May 1852 Onderdijk, North Holland, Netherlands | 16 March 1934 Onderdijk, North Holland, Netherlands | Martha Duivis (c1856-1887) Willempje Grooteman (1855-1917) |
| Teunis Koomen (1854-1865) | |||
| Frederik Koomen (1855-1857) | |||
| Geertje Koomen (1857-1928) | 22 January 1857 Wervershoof, North Holland, Netherlands | 7 May 1928 Blokker, North Holland, Netherlands | Arien Beers (1853-1940) |
| Frederik Koomen (1858-1938) | |||
| Antje Koomen (1860-1909) | |||
| Maria Koomen (1862-) | |||
Residences
Footnotes (including sources)
| ‡ General |
| ¶ Death |