Mordische [Marx] MAYER ca 1801-? | his parents
Jette [Yittle] LEVI ca 1802-? | her parents
of Neidenstein, Germany 

This is my working hypothesis - the way I see it as of this moment!! 

   Mordische alias Marx Mayer was born ca 1801 in Neidenstein, Germany son of Isak Mayer and his wife Breunle.

Children of Marx Mayer and Yittle Levy:
1. Jonathan Yontov Mayer 27 Feb 1827 Neidenstein, Germany - 14 Dec 1908 Neidenstein
    married 13 Nov 1855 Ernestine [Ester] Mayer 9 Jan 1833 - 5 Feb 1874 
    a. Isak [Isaac]Yitzhak Hirsch Mayer 8 Jan 1859 Neidenstein  - 4 Oct 1933 Neidenstein
        married 2 Mar 1887 Frederike [Rika] Ettlinger 
         i. Abraham Mayer 10 Dec 1887 Eppingen Germany - 25 Sep 1895  Neidenstein
        ii. Friedrich Mayer 14 Oct 1888 - 25 Nov 1889
        iii. Elsa Esther Mayer 15 Nov 1889 Neidenstein -
             married Maier Katzauer
                  1. Yonatan Katzauer
                      married Bracha
                       a. Devorah Katzauer
                          married Shimon Trayetsky
                           i. Chaya Rachel
                          ii. Chaim Yitzchak
                         iii. Yonatan Meir
                          iv. Yeshayahu
                           v. Yisrael Kalman
                       b. Zvi Katzauer
                           married Yehudit
                            i. Yoni
                            ii. Kfir
                            iii. Shimrit
                       c. Benjamin Katzauer
                            married Bina
                            i. Yosef 
                            ii. Meira
                            iii. Yonatan
                            iv. Mevasseret
                            v. Menorah
                 2. Shlomo Katzauer
                       married Koka    no children
                 3. Zeev [Wolf] Katzauer
                       married Trudy
                       a. Ray Katzauer
                       b. Ronny Katzauer
                       c. Karen Katzauer
                       d. Michael Katzauer
                 4. Abraham Katzauer 1922 -
                       married Eva Meyer 1928 - 2001
                       a. Jonathan Katzauer 1964 -
                            married Zoe Berkowitz 1965 -
                             i. Portia Paula 2002 -
                             ii. Olympia  2004 -
                            iii. Bennett   2004 -
                       b. Martin Meir Katzauer 1965 -
                            married Osnat Barbia
                             i. Yotam 2001 -
                            ii. Yoav Gabriel 2004 -
                       c. Elisheva Katzauer 1965 -
                            married Shmuel Moller 1962 -
                             i. Chani Yehudit Moller 1988 -
                                 married Sapir Jerufi
                            ii. Yitzchak Zvi 1990 -
                           iii. Shlomo 1991 -
                            iv. Avigail  1996 -
                            v.  Netanel  2003 -
        iv. Hedwig Mayer 21 July 1895 - 1960 in Israel [female]
              married Berich Tornheim 
         v. Adelheld Mayer 21 July 1895  Neidenstein -
    b. Sophia Mayer 15 May 1861 - 1934
        married Gotz Israel
           i. Elsa Israel
               married Ludwig Suss
    c. Fred  [Friedman] Mayer 9 July 1866 - 1935 Brooklyn NY
         married Berta Adler
    d. Betty Mayer 10 Aug 1868 - 15 Sept 1876
    e. Adolf Mayer 4 Apr 1871 - 4 June 1930
          married Lena Lissauer
    f. Louis [Ludwig] Eliezar Mayer 10 Apr 1874 Neidenstein - 1938
                                  [in concentration camp]
        married Berta Israel 9 Nov 1877 Strumfelbrunn Ger. - 1938 
                                     [in concentration camp]
          i. Irma Mayer 1903 -
              married Emil Strauss
          ii. Max Mayer 1907 -
               married Gisela Marcus

on back of picture: Neidenstein - July 1913
Louis Mayer        Josef         Ida            Karl
Max                                        Betty         Irma Strauss
Sophie Mayer                                   

      Jonathan  maried 2nd ca 1875 Klara Kaufmann 12 Aug 1850 - 28 Nov 1934
         a. Julius Mayer 15 Apr 1876 Germany  - 12 Oct 1952 Long Island NY
              married Jennie Hart
               i. Jerome Mayer
         b. Gustave Mayer 30 Apr 1877 - 1956 New York NY
              married Julie Sommer ca 1880  - 1952
                i. Irma Mayer 1907 -
                    married Gustave Salmon
                            1. Eva Salmon
               ii. Manfred Mayer 16 June 1916 Germany -  resided 1987 Baltimore MD
                    married Elinor Indenbaum
                             1. Jonathan Marnin Mayer 1947 Baltimore MD -
                             2. David Michael Mayer MD 1948 -  
                                        [Elsa noted that he was a Co-compiler of the Mayer Family]
                             3. Dan Ellis Mayer 1950 -
                             4. Matthew Jared Mayer 1951 -
         c. Ida Mayer 12 Feb 1879 - 10 May 1971 New York City
              married 1902 Joseph Mayer II 10 Jan 1870 - 2 Mar 1928
               i. Betty Mayer 1 July 1905 N Ger -
                  married NYC 9 July 1933 Siegfried Ulmann 13 Oct 1903 Ger. - 1980
                             1. Susan Ulmann 1938 NYC -
         d. Bernhard Mayer 30 Apr 1880 - 1935 Frankfort Germany
              married Lena Goldschmidt  ? - 1938 [in concentration camp]
         e. Alfred Mayer 29 Oct 1883 - 1 Feb 1955 Tilburg Holland
              married Selma Strauss 1886 - 1964  [sister of Thekla]
                         grandparents of Ralph Hene of Tilburg [he had the picture below]
         f. Sally Mayer 20 Oct 1886 - 8 May 1967 Tilburg Holland   [male]
              married 19 Jan 1920 Thekla Strauss 7 Dec 1887 - 31 Dec 1970  Canada
                    buried in the Jewish Cemetery in Ogdensburg, New York
               i. Heinz Joachim Yontov Mayer 17 July 1921 Frankfurt Ger  - 15 Mar 1982 Canada
                          emigrated to Canada in 1951 from Holland
                married Tilburg 22 Aug 1948 Anita Miriam Roos
                     3 July 1925 Wuppertal Bermen Ger - 26 May 2003 Toronto Ontario Canada
                                 grandparents of Sara
         g. Betty Mayer 1 Nov 1888 - dec
              married 1 May 1910 Salomon Sommer 12 May 1880 - ca1938 [in concentration camp]
               i. Max Sommer 6 May 1911 - dec Dayton OH
                  married 8 Mar 1942 Ruth Wellhofer  5 children
              ii. Ilse Sommer 26 Aug 1912 - dec
                   married 24 Aug 1940 Max Flehinger 13 Jan 1908 - 2children
              iii. Martha Sommer 28 July 1918 -
                    married 21 June 1941 Erwin Hirsch  2 children

 
The Jonathan Mayer family, Neidenstein about 1890 
From left to right: Julius, Bernard, Alfred, Gustav, Ludwig[Louis], Adolf,
 Fred, Jonathan[father], Betty, Sally, Klara[mother] and Ida.

2. Ernestine Mayer 1829 Neidenstein Germany - 1906 Jersey City, NJ
     married Moses Mayer 1824 Reichelsheim - 1904 Jersey City, NJ

3. Isaac (Isak) Mayer 1833 Neidenstein Germany - 1908 New York City
      married ca 1854 Caroline Mayer 1829 - 1913