Sara Hammelburg was married to Harry Klijnhoff. They had three children, of which Mark and Salomon did not survive the war. The family lived at 75 Eendrachtstraat in Rotterdam.
Amsterdam municipal archive, Records Jokos, Möbel-claim 3399; property Joods Maatschappelijk Werk
This person lived alone or no information about family members is known or traceable.
The funeral records at the Jewish cemetery in Rotterdam reveal that Sara Hammelburg was buried there.