↑ "Texas Birth Index, 1903-1997," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:V6S6-5QP : 1 January 2015), Walter Boyd Vandemark in entry for Walter Boyd Jr. Vandemark, 10 Dec 1949; from "Texas Birth Index, 1903-1997," database and images, Ancestry (http://www.ancestry.com : 2005); citing Texas Department of State Health Services.
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