( = Descendancy chart to this point, = Expand, = Collapse)
- 1 [1]
- Mary Ann Sherringham b. 29 Dec 1816 d. 11 Jun 1883
- 2 James Walter Thomson [1.1] b. 25 Dec 1834 d. 12 Dec 1912
- 2 William Thomson [1.2] b. 6 Feb 1837 d. 16 Nov 1863
- 2 Martha Thomson [1.3] b. 28 Jul 1843 d. 1913
- 2 Henry Thomson [1.4] b. 9 Jan 1846 d. 1 Jan 1913
- Sarah Harriet Grist Thomson b. 25 Mar 1854 d. 27 May 1945
- 3 Walter Valentine Thomson [1.4.1] b. 14 Feb 1878 d. 14 Mar 1940
- 3 John Albert Thomson [1.4.2] b. 8 Apr 1880 d. 4 May 1952
- 3 Percival Henry Thomson [1.4.3] b. 1 Aug 1882 d. 4 Sep 1960
- 3 George Racher Thomson [1.4.4] b. 11 Nov 1884 d. 9 Mar 1945
- 3 Clara Emily Thomson [1.4.5] b. 17 Aug 1885 d. 9 Nov 1944
- 3 Ethel Vera Thomson [1.4.6] b. 26 Jun 1891 d. 14 Aug 1983
- 3 Frank Sibley Thomson [1.4.7] b. 9 Feb 1893 d. 23 Apr 1963
- 3 Jessie Elizabeth Thomson [1.4.8] b. 22 Nov 1894 d. 19 Sep 1965
- Sarah Harriet Grist Thomson b. 25 Mar 1854 d. 27 May 1945
- 2 Emma Elizabeth Thomson [1.5] b. 15 Nov 1848 d. 1928
- 2 Jane Amelia Thomson [1.6] b. 30 Apr 1853 d. 10 Oct 1906
- 2 Robert Thomson [1.7] b. 29 Sep 1855 d. 19 Sep 1902
- Mary Ann Sherringham b. 29 Dec 1816 d. 11 Jun 1883