She is married to Floris Oskam.
They got married on March 18, 1792 at Benschop, Utrecht, Netherlands.Source 1
Netherlands, Archival Indexes, Miscellaneous Records
https://familysearch.org/ark:/61903/1:1:QLKT-GJGD
FamilySearch: Netherlands, Archival Indexes, Vital Records
Jacoba Beijen in entry for Jannigje Oskam, "Netherlands, Archival Indexes, Vital Records"
Lead confidence: 5
https://familysearch.org/ark:/61903/1:1:QLKT-GJGD
FamilySearch: Netherlands, Archival Indexes, Vital Records
Jacoba Beije in entry for Cornelis de Bruijn and Elisabeth Oskam, "Netherlands, Archival Indexes, Vital Records"
Lead confidence: 4
https://familysearch.org/ark:/61903/1:1:QLRQ-29KL
Netherlands, Archival Indexes, Miscellaneous Records
https://familysearch.org/ark:/61903/1:1:QLK1-SBVF
FamilySearch: Netherlands, Archival Indexes, Vital Records
Jacoba Beijje in entry for Jan van Jaarsveld and Marigje Oskam, "Netherlands, Archival Indexes, Vital Records"
Lead confidence: 4
https://familysearch.org/ark:/61903/1:1:QL5B-DRQH