Samuel Joseph Leefsma was een zoon van David Leefsma en Beletje Salomon Mossel. Hij is op 3 november 1909 met Susanna Mogendorff in Gouda getrouwd. Hij was winkelier.
Samuel Leefsma and Susanna Mogendorff had five, among whom two twins: Henriëtte and David, Adele and two children who survived the war by going into hiding. Addition of a visitor of the website
The Gouda police commissioner requested that Samuel Joseph Leefsma and his wife Susanna Leefsma-Mogendorff be located, detained and brought to trial. They resided in Gouda at 105 Krugerlaan. They were sus…