( = Descendancy chart to this point, = Expand, = Collapse)
- 1 [1]
- Henry Hilburn Williamson b. 6 Apr 1892 d. 10 Oct 1962
- 2 Isabel Williamson Grist [1.1] b. 4 Dec 1919 d. 16 Dec 2005
- Richard Dawson Grist, Sr. b. 21 Mar 1921 d. 15 Jun 1982
- 3 C. Grist Moore [1.1.1]
- + Moore
- + Moore
- 3 P.C. Grist [1.1.2]
- 3 C. Grist Moore [1.1.1]
- Richard Dawson Grist, Sr. b. 21 Mar 1921 d. 15 Jun 1982
- 2 Charlotte Williamson [1.2] b. 20 Sep 1924 d. 11 Feb 2019
- 2 Isabel Williamson Grist [1.1] b. 4 Dec 1919 d. 16 Dec 2005
- Henry Hilburn Williamson b. 6 Apr 1892 d. 10 Oct 1962