Rebecca Couzijn-Cohen de Lara was the widow of Marcus Couzijn. She ran a boarding house in Amsterdam, at Apollolaan 113.
Amsterdam Municipal Archives; record card of Rebecca Couzijn-Cohen de Lara
In addition, a Jokos file (number 4302) on this household is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.