| Parents | Grand-Parents | G Grand-Parents | ||
| John "Jack" DUCKWORTH (1891-) |
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| John "Jack" DUCKWORTH (1921-2006) |
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| May WHITING (-) |
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| Private DUCKWORTH (1953-) |
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| Not Available (-) |
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| Not Available (-) |
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| Not Available (-) |
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| Private DUCKWORTH (-) |
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| Not Available (-) |
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| Not Available (-) |
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| Not Available (-) |
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| Not Available (-) |
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| Not Available (-) |
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| Not Available (-) |
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| Not Available (-) |
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