????
                     Robb, Melvin Harper (b:)(d:)
                    |          ????
           Robb, David Richard (b:1947)(d:)
          |         |          ????
          |          Holt, Margaret (b:)(d:)
          |                    ????
 Robb, Mathew Holt Lindauer (b:1986)(d:)
          |                                        ????
          |                              Lindauer, Emil John (b:)(d:)
          |                             |          ????
          |                    Lindauer, Joseph Bernard (b:1896)(d:1946)
          |                   |         |          ????
          |                   |          Cross, Sarah Jane (b:)(d:)
          |                   |                    ????
          |          Lindauer, Robert Henry (b:1921)(d:2005)
          |         |         |                    Dorau, Christian (b:1802-1836)(d:)
          |         |         |          Dorau, Christlieb Erdman (b:1852)(d:1912)
          |         |         |         |          (unknown), (unknown) (b:)(d:)
          |         |          Dorau, Edith Amelia (b:1897)(d:1969)
          |         |                   |          ????
          |         |                    Strassburg, Amelia Frederica (b:1853)(d:1932)
          |         |                              ????
           Lindauer, Janet Louise (b:1952)(d:)
                    |                    ????
                    |          Galbraith, Archibald (b:)(d:)
                    |         |          ????
                     Galbraith, Margaret J S (b:1927)(alive: 2025)
                              |          ????
                               MacKenzie, Elizabeth Compton (b:)(d:)
                                         ????