????
                               Dorau, Christian (b:1802-1836)(d:)
                              |          ????
                     Dorau, Albert Frederick (b:1861)(d:1951)
                    |         |          ????
                    |          (unknown), (unknown) (b:)(d:)
                    |                    ????
           Dorau, William Frederick (b:1898)(d:1976)
          |         |                    ????
          |         |          Heyer, August (b:1820-1821)(d:)
          |         |         |          ????
          |          Heuer, Paulina (b:1864)(d:1907)
          |                   |          ????
          |                    Tesker, Henryeta (b:1818-1819)(d:)
          |                              ????
 Dorau, Robert Wilfred (b:1931)(alive: 2026)
          |          ????
           Benard, Corinne (b:1899)(d:1981)
                     ????