Can you possibly help?

We search for for two cousins:

Mariana LOEWY whose last known address in 1949 was Newe Bezalel 10, Hamnalot, Jerusalem, Israel

and

Klara KOEHLER

The following is the family group: Descendants of Moritz KOEHLER

======================================================================================================================
          1. Moritz KOEHLER-10 (b.19 Dec 1854-Teplice)
          sp: Emilie KUH-20 (b.Sep 1860-Libochovice d.Abt 21 Sep 1936-Teplice)
                           |-2. Arnost Ernst KOEHLER-8 (d.18 Jan 1957-Teplice)
                           | sp: Katarina -9
                                          | +-3. Klara KOEHLER-1 (b.4 Dec 1945)
                           |-2. Jullie KOEHLER-5 (b.21 Aug 1894 d.25 Oct 1944-Concentration Camp)
                           |-2. Luisa VANKOVA-7
                           | sp: Otto WEIL-29
                           |-2. Marketa Margarite KOEHLER-3 (b.13 Sep 1892-Teplice d.Abt Oct 1944-Auschwitz)
                           | sp: Dr Paul LENK-21 (b.20 Feb 1887-Karlovy Vary Czechoslovakia d.28 Oct 1944-Auschwitz)
                           |-2. Olga KOEHLER-30 (b.May 1887-Teplice)
                           |-2. Ernestine KOEHLER-31 (b.3 May 1889-Teplice)
                           +-2. Robert KOEHLER-32 (b.27 Oct 1890-Teplice)
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Can you guide us in any way?

If you have no information, do you know of anyone else, anywhere, where we can ask?

please e-mail me at searchandunite [at] lewinsdlondon [dot] org [dot] uk