Petrus Frederik (1837-1907) married twice. In 1859 with Anna Maria de Boek (1840-1876) their children are [22 KB] :

- Hendrikus (1861-..) married in 1891 with Matje de Blaauw (1866-..);
- Cornelius (1863-..) married in 1894 with Neeltje Kemp (1873-..);
- Casper (1865-1917);
- Maria (1868-..) had a son Hendrikus Petrus Spermon (1894-..) married in 1913 with Stiesje Gries, from Boeky (Russia);
- Petronella (1871-1937).

And in 1890 with Hendrica Maria van Daalen (1853-1890) from 's-Hertogenbosch. Their children are:

- Hendrika [4 KB] (1885-1962, also Sperman [5 KB] ), married [5 KB] in 1910 with Adrianus Verhoef (1889-1943) ;
- Petrus Frederik (1887-1957);
- Willem Frederik [6 KB] (1891-..) was married from 1914 to 1915 with Lamberta Franken (1896-..) and in 1917 with Petronella Wilhelmina Anna Riemens (1895-..).


Petrus Frederik [6 KB] (1887-1957) married in 1909 with Sara Muijzer (1890-1972) from Kralingen, their 5 children:

- Geertruida H.M. (1911-..);
- Petronella F. (1912-..);
- Hendrika Antonia [4 KB] (1916-1986) married [7 KB] with Rammerath and in 1964 in Cains Australia with Johannes Herman Röbken (1913-1991);
- Petrus [4 KB] (Piet) Frederik (1919-2001);
- Hendrik A. (1925-..).


Casper Spermon (1865-1917) married twice, first (from 1888 till 1892 ) with Maria Elisabeth van Daalen (1865-..) from 's-Hertogenbosch and on the 29-11-1893 in Rotterdam with Maria Catherina Rubeling (01-07-1875 - 27-04-1951). They had eight children.


Hendrikus (1861-..) married in 1891 with Matje de Blaauw (1866-..), their child:

- Rosina Maria Petronella Spermon (1900-..) married in 1917 with Jacobus van der Put (1896-..) from Middelharnis, and in 1919 with Johannes Marinus Harmsen (1895-..) from Nijmegen.


Petronella (1871-1937) married in 1898 with Maarten Henricus van Hillegondsberg (1871-±1904).