| Generation 1 - Roelof Pieter van der Velden: Died - 24 Mar 1958 - Rotterdam, Netherlands |
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| Generation 1 - Roelof Pieter van der Velden & Elizabeth van Essel: Married - 25 May 1892 - Rotterdam, Netherlands |
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| Generation 2 - Pieter van der Velden: Died - 5 Oct 1890 - Rotterdam, Netherlands |
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| Generation 2 - Catharina Cornelia deBoer: Died - 21 Mar 1927 - Rotterdam, Netherlands |
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| Generation 4 - Jan "Jean" Blanchard: Born - 22 Jun 1775 - 's-Hertogenbosch, Netherlands |
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