Nathan Heijmans was a son of the stock broker Joseph Heijmans from Appeltern and Susanna Gersons from Tilburg and was born 7 October 1896 in Alphen aan den Rijn. Nathan left his parental home in 1917 for Amsterdam where he found a room in the Sarphatistraat 149 upperhouse, started working as an office clerk but became an accounts clerk by trade in the end. Early October 1918 he moved another time …