Clara Frederica Sohn was a daughter of Michael Sohn and Josephine Ochs (or Ochse). She married 9 April 1891 in Rotterdam Maurits Wolfsbergen, a son of Salomon Wolfsbergen and Rozetta Zangers. The couple had three children, who have survived the war.
City Archive of Rotterdam, index births and deaths…
In addition, a Jokos file (number 14593) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos file reveals that a claim was lodged for compensation for valuables surrendered to the Lippmann-Rosenthal looting …