Rainham Builders
John Duff Cosby
1939 - 2003 (64 years)(
= Descendancy chart to this point, 
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- 1 John Duff Cosby [1] b. 14 Feb 1939 d. 17 Mar 2003
- + ? Jendraziak
- J. Morningstar
- 2 Shawna Marie Cosby [1.1] b. 1962 d. 11 May 1985
- 2 J. Cosby [1.2]
- Daryl ?
- 3 Dylan Crosby [1.2.1]
- 3 Meagan Crosby [1.2.2]
- 3 Leaha Crosby [1.2.3]
- 3 Dylan Crosby [1.2.1]
- D.L. Wright
- 3 Dylan Cosby [1.2.4]
- 3 Megan Cosby [1.2.5]
- 3 Leah Cosby [1.2.6]
- 3 Dylan Cosby [1.2.4]
- 2 Shawna Marie Cosby [1.1]
- + ? Jendraziak