????
                               Dorau, Christian (b:1802-1836)(d:)
                              |          ????
                     Dorau, Christlieb Erdman (b:1852)(d:1912)
                    |         |          ????
                    |          (unknown), (unknown) (b:)(d:)
                    |                    ????
           Dorau, August Carl (b:1879)(d:1951)
          |         |          ????
          |          Strassburg, Amelia Frederica (b:1853)(d:1932)
          |                    ????
 Dorau, William August (b:1904)(d:1971)
          |          ????
           Hackbarth, Edith Mathilda (b:1885)(d:1953)
                     ????