Meijer de Leeuw was married to Mariana de Leeuw. The couple lived at 75 Kromme Mijdrechtstraat in Amsterdam.
Amsterdam municipal archive, Records Jokos, Möbel-claim 16410; property Joods Maatschappelijk Werk
In addition, a Jokos file (number 16410) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.