????
                     Dorau, Christian (b:1802-1836)(d:)
                    |          ????
           Dorau, Albert Frederick (b:1861)(d:1951)
          |         |          ????
          |          (unknown), (unknown) (b:)(d:)
          |                    ????
 Dorau, Martha Therese (b:1892)(d:1980)
          |                    ????
          |          Heyer, August (b:1820-1821)(d:)
          |         |          ????
           Heuer, Paulina (b:1864)(d:1907)
                    |          ????
                     Tesker, Henryeta (b:1818-1819)(d:)
                               ????