My brick wall are Alexander Vance Scott ( 1857-1927), Alexander Vance Scott ( 1833-1888 ) wife Susan Phillips Scott (1833- 1916 ) Robert Crawford Scott (1856-1886) Robert Scott ( 1801-1868 ) wife Mary Scott ( 1809-1889 ) All buried in Allegheny Cemetery, Pittsburgh, PA. in the same plot as my GR GR GR. Grandfather David Scott. I am trying to find out what relationship they are to David. Thank you Donna 0)