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Bertie WilliamsonDescendancy listGeneration 1 Bertie Williamson (okruglo 1888 - okruglo 1950) Generation 2  Kathleeen Edith Williamson (okruglo 1914 - okruglo 1990) daughter of Bertie Williamson i Edith Hilda Smith Kenneth Bertram Williamson (okruglo 1915 - okruglo 1990) son of Bertie Williamson i Edith Hilda Smith
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