Hij is getrouwd met Margrietje de Jong.
Zij zijn getrouwd op 2 december 1781 te Lopikerkapel, Utrecht, Netherlands.Bron 1
Netherlands, Archival Indexes, Miscellaneous Records
https://familysearch.org/ark:/61903/1:1:QLKT-NK9Y
FamilySearch: Netherlands, Archival Indexes, Vital Records
Jan Oskam in entry for Hendrik Oskam and Adriana Groeneveld, "Netherlands, Archival Indexes, Vital Records"
Lead confidence: 3
https://familysearch.org/ark:/61903/1:1:QL51-YZ9P
FamilySearch: Netherlands, Archival Indexes, Vital Records
Jan Oskam in entry for Hendrik Oskam and Adriana Groeneveld, "Netherlands, Archival Indexes, Vital Records"
Lead confidence: 3
https://familysearch.org/ark:/61903/1:1:QLR3-VW22
FamilySearch: Netherlands, Archival Indexes, Vital Records
Jan Oskam in entry for Jacob Oskam, "Netherlands, Archival Indexes, Vital Records"
Lead confidence: 4
https://familysearch.org/ark:/61903/1:1:QLKT-NK9Y
FamilySearch: Netherlands, Archival Indexes, Vital Records
Jan Oskam in entry for Arie Oudshoorn and Annigje Oskam, "Netherlands, Archival Indexes, Vital Records"
Lead confidence: 3
https://familysearch.org/ark:/61903/1:1:QL5T-DGKK