Ralph Rogerson
      (1866 - 1932)
      Sarah Jane McKnight
      (1872 - 1950)
      Alexander McKnight
      (1833 - 1918)
      Sarah Jane Dunlop
      (1832 - 1912)
      Alexander McKnight
      (1813 - 1854)
      Margaret Gregg
      (1813 - 1843)