Wilhelmus Johannes Leonardus (1881-1955) and Anna Maria van de Ven (1883-1968) married in 1904 , their children:

- Maria Francisca Wilhelmina Spermon (1904-1993), married with Franciscus Johannes Maria van Rossum (1903-1965);
- Johanna Maria Theodora (1906-1906).

Wilhelmus was a sigarmaker, they lived in the Sint Eloystraat 300 in 's-Hertogenbosch.