Clara Hammelburg was a daughter of Abraham Salomon Hammelburg and Betje Jacob Speijer. At the age of 18, she married the 19-year old Jacob Houtkruijer on 12 December 1877 in Amsterdam, a diamond polisher and pedlar, a son of Joseph Simon Houtkruijer and Beletje Isaac de Leeff.
Clara’s first husband …
In addition, a Jokos file (number 10586) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.