Nielsen Hayden genealogy
Douglas Richardson, "Thomas Marshfield's Wife Mercy: Did Their Daughter Mercy Marry John Dumbleton?" The American Genealogist 67:11, January 1992.
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Title Douglas Richardson, "Thomas Marshfield's Wife Mercy: Did Their Daughter Mercy Marry John Dumbleton?" The American Genealogist 67:11, January 1992. Source ID S693 Linked to (1) Mercy