FamilySearch (https://familysearch.org/ark:/61903/1:1:X1DX-T77 : 10 February 2018), Alegunda Ringels in entry for Gesijna Idema, ; citing Nederlands Hervormde Kerk Groningen, Groningen, Groningen, Netherlands; FHL microfilm 109,087. - Alegunda Ringels in entry for Gesijna Idema, "Netherlands Births and Baptisms, 1564-1910" » Les sources » Arbre généalogique familie Steenhuis » Généalogie Online"> FamilySearch (https://familysearch.org/ark:/61903/1:1:X1DX-T77 : 10 February 2018), Alegunda Ringels in entry for Gesijna Idema, ; citing Nederlands Hervormde Kerk Groningen, Groningen, Groningen, Netherlands; FHL microfilm 109,087. - Alegunda Ringels in entry for Gesijna Idema, "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:X1DX-T77 : 10 February 2018), Alegunda Ringels in entry for Gesijna Idema, ; citing Nederlands Hervormde Kerk Groningen, Groningen, Groningen, Netherlands; FHL microfilm 109,087. - Alegunda Ringels in entry for Gesijna Idema, "Netherlands Births and Baptisms, 1564-1910"