Klara Frankvoorder was a daughter of Hijman Frankvoorder and Marianne Peper. on 14 July 1886 she married Hartog Hammelburg in Amsterdam, a son of Nathan Salomon Hammelburg and Vogeltje Plukker. The couple had seven children, of whom the youngest daughter Sara died on 20 November 1900, only 8 months old. Also her husband Hartog Hammelburg passed already before the war: he died 26 Decenber 1930 in Amsterdam and was interred two days later in the Jewish Cemetery at Muiderberg,
Of Klara's other six children, Nathan, Marianne, Hijman, Salomon and Jacob have surivived the Holocaust. Only Vogeltje Hammelburg, spouse of Mozes Trompetter from Woerden, was killed in the Shoah. According her registration card of the Jewish Council, she was transferred from her residence in Vught to Camp Westerbork on 4 October 1942. On 9 October Vogeltje Hammelburg was put on transport to Auschwitz and upon arrival there immediately killed on 12 October 1942.
Klara Frankvoorder resided till 1940 at various addresses in Amsterdam. on 9 April 1940 she moved to Antwerp but returned 31 May to Amsterdam again where she stayed with her son Nathan at Noorder Amstellaan 121 down floor. On 8 October 1940 she left for Antwerp definitively and it has appeared that she was deported from Mechelen to Auschwitz with Convoy XI on 26 September 1942, which has arrived in Auschwitz on 28 September 1942 and where she was killed immediately upon arrival there.
The Memorial of the deportation of the Belgian Jews shows on page 26, that from this 11th transport of 1742 people, among them 523 children, nearly 80% of the deportees were killed immediately upon arrival ther 28th of September. Nearly 1400 victims, among them also Klara Frankvoorder.
Sources: City Archive of Amsterdam, archive card of Klara Frankvoorder and the family registration card of Hartog Hammelburg; website akevoth/mokum/burial permits; www.wiewaswie.nl and the Memorial of the deportation of the Belgian Jews, pages 26, 249 and 193.