Cornelius Johannes Spermon (1897-1976) married and lived in Rotterdam (1918) with Adriana Pieternella Timmers (1896-±1980), their children:

- Cornelius Johannes Spermon (1919-2001);
- Johanna Adriana Willemina Spermon (1923);
- Maria Spermon (1929) married in 1956 with H.Z. van Kesteren.

In 1974 they moved to Hoek van Holland.


Cornelius (Cor) Johannes Spermon (1919-2001) married in 1940 with Bertha (Bep) Johanna Maria Kramer (1921-2004), they lived in Rotterdam and divorced in 1946, their children:

* Cornelius Johannes Spermon, born on the 9th of august of 1941 in Rotterdam, is living in Sweden;
* Hendrikus Desirée Spermon, also born in Rotterdam (30 januari 1944).

After the second world war Bep Kramer (1921) and children lived in Rotterdam and from 1975 in Oud-Beijerland.

Hendrikus (Henk) Desirée Spermon (1944) married on the 6th of december 1968 in Sliedrecht with Maria Gerarda Sebastiana Beckerman (born 23 juli 1947, Sliedrecht), their children are:

* Raymond Emile Spermon (1975, Oud-Beijerland);
* Stéphanie Sylvette Spermon (1977, Oud-Beijerland) married in 2002 with Gerrit Adrianus Schipper [9 KB] (1971), their child:
- Talitha Maria Schipper, born on the 8th of juli 2004 in Oud-Beijerland.


Cornelius (Cor) Johannes Spermon (1919-2001) married again (1948?) with ? (19?-±1979), from this marriage there is a daugther.

In 1980 Cornelius Johannes Spermon (1919-2001) married for the 3th time with Loes Zwennes, they lived in Kalmthout (Belgium).