Cornelius (1805-1883) married in 1829 with Aaltje Petronella Anna Maria van Ipenburg in Schoonhoven (1808-1885). He worked a as cabinetmaker in Heusden, Schoonhoven and Rotterdam.
The boys were baptized as Roman Catholic, the girls as Dutch Reformed.

Their childeren are:
- Cornelius (1832-..);
- Abraham Johannes Spermon (1833-..);
- Petrus Frederik (1834-183?);
- Johannes Petrus Nicolaas Spermon
(1836-1896);
- Petrus Frederik [5 KB] (1837-1907);
- Gijsbertus Johannes (1840-..);
- Willem Frederik Spermon (1842-1898);
- Frederika [5 KB] Johanna Spermon (1845-1898);
- Cornelia Anna Maria Spermon (1847-..);
- Anna Maria Clasina (1850-..);
- Gijsberus (1852-..).


Abraham Johannes Spermon (1833-18..) married in 1862 with Cornelia Willemse (1839-1900).

Johannes Petrus Nicolaas Spermon (1836-1896) married in 1860 with Petronella Barendina Vromans (1842-..). In 1893 he married again with Adriana Catharina van de Gezelle (1829-..) from Breskens.

Petrus Frederik (1837-1907) married twice. In 1859 with Anna Maria de Boek (1840-1876) and in 1890 with Hendrica Maria van Daalen (1853-1890) from 's-Hertogenbosch.

Willem Frederik Spermon (1842-1898) married in 1865 with Juliana Goedkoop (1840-1889).

Frederika Johanna Spermon (1845-1898) married in 1870 with Aart Trompert (1847-..).

Cornelia Anna Maria Spermon (1847-..) married in 1869 with Johannes Sahli (1846-..) from 's Hertogenbosch.