????
                     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)
                     ????