????
                               Markus, John Julius (b:1857)(d:1945)
                              |          ????
                     Marcus, Victor Herbert (b:1886)(d:1970)
                    |         |          ????
                    |          Hulzbach, Bertha (b:1861)(d:1944)
                    |                    ????
           Marcus, Robert Gibbons (b:1915)(d:1969)
          |         |          ????
          |          Gibbons, Edith A (b:1888-1889)(d:1951)
          |                    ????
 Marcus, Gail (b:1940-1941)(d:)
          |          ????
           (unknown), Marion Esther (b:1915-1916)(d:)
                     ????