Rainham Builders
Leon Simpson
1902 - 1980 (78 years)(
= Descendancy chart to this point, 
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- 1 Leon Simpson [1] b. 17 Feb 1902 d. 18 Oct 1980
- Thelma May Whiteroft b. 17 May 1901 d. 6 Mar 1963
- 2 M.L. Simpson [1.1]
- J.M. McCallum
- 3 K.L. McCallum [1.1.1]
- Mark Harold George Rock
- 4 M.R. Rock [1.1.1.1]
- 4 A.F. Rock [1.1.1.2]
- 4 N.D.H. Rock [1.1.1.3]
- 4 M.R. Rock [1.1.1.1]
- 3 J.L. McCallum [1.1.2]
- 3 K.L. McCallum [1.1.1]
- 2 James Leon Simpson [1.2]
- 2 M.L. Simpson [1.1]