FamilySearch (https://familysearch.org/ark:/61903/1:1:X1ZZ-7TR : 10 February 2018), Jan Beuker in entry for Gepke Beuker, 08 Feb 1886; citing Veendam, Groningen, Netherlands; FHL microfilm 444,607. - Jan Beuker in entry for Gepke Beuker, "Netherlands Births and Baptisms, 1564-1910" » Les sources » Arbre généalogique familie Steenhuis » Généalogie Online"> FamilySearch (https://familysearch.org/ark:/61903/1:1:X1ZZ-7TR : 10 February 2018), Jan Beuker in entry for Gepke Beuker, 08 Feb 1886; citing Veendam, Groningen, Netherlands; FHL microfilm 444,607. - Jan Beuker in entry for Gepke Beuker, "Netherlands Births and Baptisms, 1564-1910" » Les sources » Arbre généalogique familie Steenhuis » Généalogie Online">
"Netherlands Births and Baptisms, 1564-1910," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:X1ZZ-7TR : 10 February 2018), Jan Beuker in entry for Gepke Beuker, 08 Feb 1886; citing Veendam, Groningen, Netherlands; FHL microfilm 444,607. - Jan Beuker in entry for Gepke Beuker, "Netherlands Births and Baptisms, 1564-1910"