????
                                         Dorau, Christian (b:1802-1836)(d:)
                                        |          ????
                               Dorau, Christlieb Erdman (b:1852)(d:1912)
                              |         |          ????
                              |          (unknown), (unknown) (b:)(d:)
                              |                    ????
                     Dorau, William Frederich (b:1886)(d:1977)
                    |         |          ????
                    |          Strassburg, Amelia Frederica (b:1853)(d:1932)
                    |                    ????
           Dorau, William Robert (Chick) (b:1926)(d:2014)
          |         |                    ????
          |         |          Buteau, Joseph (b:)(d:)
          |         |         |          ????
          |          Buteau, Theresa Marie Louise (b:1903)(d:1970)
          |                   |          ????
          |                    Gravell, Louise (b:)(d:)
          |                              ????
 Dorau, Deborah Jeanne (b:1953)(d:)
          |          ????
           Bleier, Caroline Cecilia (b:1933)(d:2006)
                     ????