| Generation 1 - Eileen O'Brien: Born - 19 Nov 1918 - Biggleswade, Bedfordshire |
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| Generation 2 - William Joseph O'Brien: Born - 8 Feb 1889 - Limerick, Ireland |
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| Generation 2 - William Joseph O'Brien: Died - 13 Jul 1971 - Derby, Derbyshire |
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| Generation 2 - William Joseph O'Brien & Kate Harriet Grist: Married - 8 Feb 1917 - Hitchin, Hertfordshire |
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| Generation 2 - Kate Harriet Grist: Died - 4th Jan 1953 - Derby, Derbyshire |
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| Generation 3 - Edward O'Brien: Died - 31 Jul 1891 - Limerick, Ireland |
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| Generation 3 - Sarah Gleeson Obrien: Died - 25 Aug 1941 - Limerick, Ireland |
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| Generation 3 - Peter Grist: Born - 5 Oct 1853 - Boston, Lincolnshire |
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| Generation 3 - Caroline Antoinette Heeger: Born - 1858 - Good Hope, Eastern Cape, South Africa |
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| Generation 4 - James Edward Grist & Mary Ann (Adam) Webster: Married - 10 Jun 1841 - Boston, Lincolnshire |
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| Generation 4 - Mary Ann (Adam) Webster: Born - Oct 1819 - Louth, Lincolnshire |
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| Generation 4 - Philip Francis John Heeger: Died - Abt 1895 - Cape Town, Western Cape, South Africa |
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| Generation 5 - Benjamin Grist: Born - Oct 1785 - Cranwell, Lincolnshire |
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| Generation 5 - William Webster: Born - Abt 1795 - Lincolnshire |
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| Generation 5 - Mary Croft: Born - 1796 - Lincolnshire |
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