Carolien Hertzberger-van Boelen was the widow of Nathan Hertzberger and lived together with four of her children: Simon, Salomon, Rosina and a child that survived the war.
Phocas Kroon, De joodse gemeenschap in Eindhoven 1940-1945 (2003, in eigen beheer uitgegeven) p 33, 62
In addition, a Jokos file (number 60517) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.