Lili Hanau fled Germany before the war and settled in Assen. F.J. Hulst and H.M. Luning, De joodse gemeente Assen. Geschiedenis van een behoorlijke Kille, 1740-1976 (Assen 1993)
In addition, a Jokos file (number 15598) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
This family is commemorated on a memorial in Assen. More information on this memorial can be found (in Dutch) on the website of the Nationaal Comité 4 en 5 mei.