| Generation 1 - Charles Clabaugh: Born - 1784 - Frederick County, Maryland |
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| Generation 2 - John Clabaugh, Jr.: Born - 1750 - Frederick County, Maryland |
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| Generation 2 - John Clabaugh, Jr. & Margaret Ferguson: Married - 1770/1779 - Frederick County, Maryland |
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| Generation 2 - Margaret Ferguson: Born - Abt 1750/1755 - Frederick County, Maryland |
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| Generation 3 - John Clabaugh: Born - Abt 1732 - Frederick County, Maryland |
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| Generation 3 - John Clabaugh: Died - Bef 1790 - Frederick County, Maryland |
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| Generation 3 - Samuel Ferguson: Born - Abt 1726 - Frederick County, Maryland |
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| Generation 3 - Samuel Ferguson: Died - 1794 - Sevier County, Tennessee |
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