FamilySearch (https://familysearch.org/ark:/61903/1:1:QLFY-FFPW : 30 August 2017), Nieske Harms in entry for Harm Franssens Greve, Death 05 Feb 1870, Nieuwolda, Groningen, Nederland; from database, openarchives (https://www.openarch.nl : 2016); citing Nieuwolda, archive , inventory number , record number 1; ; AlleGroningers. - Nieske Harms in entry for Harm Franssens Greve, "Netherlands, Archival Indexes, Vital Records" » Quellen » Familienstammbaum familie Steenhuis » Genealogie Online"> FamilySearch (https://familysearch.org/ark:/61903/1:1:QLFY-FFPW : 30 August 2017), Nieske Harms in entry for Harm Franssens Greve, Death 05 Feb 1870, Nieuwolda, Groningen, Nederland; from database, openarchives (https://www.openarch.nl : 2016); citing Nieuwolda, archive , inventory number , record number 1; ; AlleGroningers. - Nieske Harms in entry for Harm Franssens Greve, "Netherlands, Archival Indexes, Vital Records" » Quellen » Familienstammbaum familie Steenhuis » Genealogie Online">
"Netherlands, Archival Indexes, Vital Records," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QLFY-FFPW : 30 August 2017), Nieske Harms in entry for Harm Franssens Greve, Death 05 Feb 1870, Nieuwolda, Groningen, Nederland; from database, openarchives (https://www.openarch.nl : 2016); citing Nieuwolda, archive , inventory number , record number 1; ; AlleGroningers. - Nieske Harms in entry for Harm Franssens Greve, "Netherlands, Archival Indexes, Vital Records"