| Generation 3 - Johan Lodewijk Werner Spierenberg: Born - 15 May 1917 - Rotterdam, Holland |
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| Generation 3 - Johan Lodewijk Werner Spierenberg: Died - 16 Jun 1989 - Rotterdam, Holland |
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| Generation 3 - Johan Lodewijk Werner Spierenberg & Bouk Dresselhuis: Married - - Rotterdam, Holland |
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| Generation 4 - Jacob Pieter Spierenberg: Born - 31 Jan 1890 - Rotterdam, Holland |
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| Generation 4 - Jacob Pieter Spierenberg: Died - 10 Sep 1969 - Rotterdam, Holland |
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| Generation 4 - Jacob Pieter Spierenberg & Louisa Christine Henriėtte Oudsteijn: Married - 18 Jun 1914 - Rotterdam, Zuid Holland, Netherlands |
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| Generation 4 - Louisa Christine Henriėtte Oudsteijn: Born - 1 Mar 1890 - Rotterdam, Netherlands |
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