Mina de Leeuw was a daughter of Samuël de Leeuw and Esther de Lange. She left the parental home in 1938. Stadsarchief Amsterdam, archiefkaart Samuël de Leeuw
In addition, a Jokos file (number 14863) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.