Louis van Dam was married. He and his wife had a son, Gustaaf.
A certificate remains signed by J. Goedhart, a mohel for the Dutch-Jewish Congregation, stating that he circumcised Gustaaf van Dam, son of Louis van Dam and his wife, according to the congregation's rituals and requirements, on 1 September 1921.
The couple also had a daughter, who worked as a nurse at De Joodse Invalide. The family …