John Cook Duvall
1879 - 1958 (78 years)(
= Descendancy chart to this point, 
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- 1 John Cook Duvall [1] b. 14 Oct 1879 d. 22 Feb 1958
- Florence Edith Grimes b. 11 Jan 1880 d. 28 Aug 1951
- 2 Dorothy Ethelyn Duvall [1.1] b. 1 Sep 1909 d. 3 Dec 1944
- William Opal Shipman b. 1901
- 3 Bobbie Lou Shipman [1.1.1] b. 22 Oct 1929 d. 21 Feb 1998
- + Living
- + Richard L White b. 1909
- + Living
- 3 Bobbie Lou Shipman [1.1.1]
- 2 Meredith Duvall [1.2] b. 4 May 1911 d. 13 Sep 1912
- 2 Margaret Ruth Duvall [1.3] b. 13 Sep 1913 d. 6 May 1989
- + Prove b. Abt 1912
- + Prove b. Abt 1912
- 2 Jack Cook Duvall [1.4] b. 7 Jul 1916 d. 5 Apr 1996
- Ruby Lee Walker b. 10 Feb 1916 d. 4 Jan 1983
- 3 Cherie Edward Duvall [1.4.1] b. 17 Jun 1934 d. 9 Apr 2013
- Sandra Joan Deacon b. 1938 d. 2021
- 3 Living [1.4.2]
- 3 Cherie Edward Duvall [1.4.1]
- 2 Dorothy Ethelyn Duvall [1.1]