Descendants of Duncan Donaldson

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 
     |                   |      m: George Adam Williamson 
     |                   |         \---- Virginia Williamson 
     |                   |                m: Andrew Preece 
     |                   |                   |---- Rebecca Preece 
     |                   |                   \---- Isaac Preece 
     |                   \---- David Pettigrew 
     |                          m: Jane Metcalf 
     |                             |---- Tom Pettigrew 
     |                             |      m: Roslyn Mitchell 
     |                             |         |---- Fergal James Pettigrew 
     |                             |         \---- Partrick John Pettigrew 
     |                             \---- Jon Pettigrew 
     |---- Mary Donaldson 1862 - 
     |---- Agnes Donaldson 1863 - 
     |---- William Donaldson 1868 - 
     |---- Duncan Donaldson 1870 - 
     \---- James Donaldson 1876 -