This biography was auto-generated by a GEDCOM import. It's a rough draft and needs to be edited.
↑ Beekman-157 was created by John Porter through the import of Porter Family Tree.ged on Sep 21, 2014. This comment and citation can be deleted after the biography has been edited and primary sources are included.
It may be possible to confirm family relationships with Jacob Jansen by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Jacob Jansen: