Roosje de Lange was the widow of Mozes de Lange, better known as 'Bottermoos'. They had a child that survived the war.
Addition of a visitor of the website
In addition, a Jokos file (number 50905) 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 Raalte. More information on this memorial can be found (in Dutch) on the website of the Nationaal Comité 4 en 5 mei.