Branches of the Thomson family
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- William Park Thomson – 1876 Williamina Balfour Allen Gunn 1855–
- Robert Thomson – 1901 Mary Laird Sinclair 1881–
- Margaret Sinclair Thomson 1905–1974 Donald Sutherland Laird 1896–1953
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- Margaret Sinclair Thomson 1905–1974 Donald Sutherland Laird 1896–1953
- Robert Thomson – 1901 Mary Laird Sinclair 1881–
- James Thomson – Williamina Laird 1887–1960
- Mina Thomson – George Laird 1889–1962