Leendert Goudsmit was married. He and his wife had a child. The family lived in Amsterdam. Leendert was a tailor. He worked in the underground for the Dutch communist party (CPN), including distributing the underground paper De Waarheid. Leendert Goudsmit was arrested in Amsterdam in April 1942.
NIOD, Erelijst Verzet en Koopvaardij, database made by J.W. de Leeuw