Descendants of Duncan Donaldson

Duncan Donaldson 
  m:  
     \---- Michael Donaldson 1800 - 1872
            m: Christina Smith 
               \---- Duncan Donaldson 1830 - 1897
                      m: Janet Ross 1830 - 
                         |---- Christina Donaldson 1861 - 1929
                         |      m: Robert Gray 1857 - 1883
                         |         \---- Janet R Gray 1883 - 
                         |                m: Alec Gray 
                         |                   \---- Christina Gray 
                         |      m: Findlay Pettigrew 1860 - 1937
                         |         \---- Findlay Pettigrew 
                         |                m: Winifred Emily Lohmann 1904 - 1972
                         |                   |---- Joan Gwendoline Pettigrew 
                         |                   \---- David Pettigrew 
                         |---- Mary Donaldson 1862 - 
                         |---- Agnes Donaldson 1863 - 
                         |---- William Donaldson 1868 - 
                         |---- Duncan Donaldson 1870 - 
                         \---- James Donaldson 1876 -