William Percival Blackley
1860 -
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- 1 William Percival Blackley [1] b. 1860
- Constance Edith Hassall b. 17 May 1863 d. 19 Jul 1918
- 2 Gwendoline B Blackley [1.1] b. Abt 1886
- 2 Vera G M Blackley [1.2] b. Abt 1890
- 2 Gwendoline B Blackley [1.1]