| Wife: Posey, Lora Mae (Clark) | (5 Jun 1880 - 15 Aug 1971) |
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| Son: Posey, Robert Guy | (20 Mar 1907 - 20 Feb 1996) |
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| Cousin: Anthony, Martha (Pilkington) | (10 Nov 1875 - 19 Jan 1946) |
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| Cousin: Crisp, Sarah Ellen (Pilkington) | (18 May 1894 - 13 Mar 1965) |
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| Cousin: Hall, Flora (Pilkington) | (14 Dec 1896 - 26 Feb 1989) |
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| Cousin: Herron, Liza Delilah (Pilkington) | (3 May 1881 - 24 Dec 1950) |
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| Cousin: King, Mary (Pilkington) | (10 Sep 1879 - 2 Feb 1970) |
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| Cousin: Pilkington, John Cleveland | (25 Dec 1886 - 5 Mar 1967) |
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| Cousin: Pilkington, Nathan Alexander | (20 Jan 1885 - 14 Sep 1972) |
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| Cousin: Pilkington, William Hunter | (27 Jan 1894 - 25 Dec 1964) |
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| Cousin: Welch, Hattie Roxanne (Pilkington) | (1 Sep 1896 - 23 Jul 1980) |
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| Cousin: Welch, Josephine (Pilkington) | (3 Aug 1892 - 14 Apr 1989) |
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| Niece: Bramblett, Elizabeth (Posey) | (15 May 1906 - 24 Jul 1994) |
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| Nephew: Clark, Plato | (15 May 1903 - 20 Oct 1985) |
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| Nephew: Millsaps, Charlie Lawson | (13 Oct 1875 - 16 Mar 1964) |
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| Nephew: Posey, William Davis | (24 May 1909 - 1943) |
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