| Generation 1 - Preston, Gordon I.: Born - Between Apr and Jun 1946 - District Middlesbrough |
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| Generation 2 - Preston, Edward & Spavin, Hilda: Married - Between Jul and Sep 1935 - District Middlesbrough |
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| Generation 2 - Spavin, Hilda: Born - Between Jan and Mar 1914 - District Middlesbrough |
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| Generation 3 - Spavin, Joseph William: Born - Between Jul and Sep 1890 - Middlesbrough, , Yorkshire, England |
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| Generation 3 - Spavin, Joseph William: Died - Between Jul and Sep 1966 - District Cleveland |
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| Generation 3 - Spavin, Joseph William & Nunn, Emily Ellen: Married - Between Jan and Mar 1913 - District Middlesbrough |
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| Generation 3 - Nunn, Emily Ellen: Born - Between Jul and Sep 1890 - District Middlesbrough |
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| Generation 3 - Nunn, Emily Ellen: Died - Between Oct and Dec 1966 - District Middlesbrough |
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| Generation 4 - Spavin, James: Born - Between Oct and Dec 1861 - Marton, , Yorkshire, England |
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| Generation 4 - Spavin, James: Died - Between Jul and Sep 1941 - District Middlesbrough |
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| Generation 4 - Spavin, James & Berriman, Hannah Jane: Married - Between Jan and Mar 1886 - District Pickering |
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| Generation 4 - Berriman, Hannah Jane: Born - Between Oct and Dec 1862 - Cropton, , Yorkshire, England |
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| Generation 4 - Berriman, Hannah Jane: Died - Between Jan and Mar 1950 - District Middlesbrough |
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