Family: Johannes J Kosterman / Maria Mary Hovstede (F240526)
 | Johannes J Kosterman (1806-1875) |
 | Maria Mary Hovstede (1809-1879) |
| Hendrikus Kosterman (1830-1831) |
| Theodorus Hendrikus Kosterman (1832-1832) |
| Peter Kosterman (1833-1928) |
| John Henry Kosterman (1835-1922) |
| Juliana Maria Kosterman (1837-1934) |
| Wilhelmus Hendrikus Kosterman (1838-1839) |
| child Kosterman (1838-1838) |
| Henry William Kosterman (1840-1924) |
| Alberta Aleida Kosterman (1842-1842) |
| William Henry Kosterman (1843-1875) |
| Theodore Kosterman (1845-1865) |
| Albert Kosterman (1847-1934)  |
| Anna Kosterman (1849- ) |
| George Charles Kosterman (1852-1935) |