- FamilySearch Family T
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 4 Jul 2016), entry for Jan Verhoef, person ID K8G3-QMD.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 4 Jul 2016), entry for Jan Jansz Verhoef, person ID KH9L-467.
» Quellen » Familienstammbaum M. Tolsma » Genealogie Online">
- FamilySearch Family T
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 4 Jul 2016), entry for Jan Verhoef, person ID K8G3-QMD.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 4 Jul 2016), entry for Jan Jansz Verhoef, person ID KH9L-467.
» Quellen » Familienstammbaum M. Tolsma » Genealogie Online">