- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 27 Jun 2016), entry for Janetta Hendriena Carolina Oosthuizen, person ID KH32-WMR.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 27 Jun 2016), entry for Janetta Hendrina Carolina Oosthuizen, person ID 2CB5-KKH.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 27 Jun 2016), entry for Janetta Hendriena Carolina Oosthuizen, person ID 9JHR-91M.
» Quellen » Familienstammbaum M. Tolsma » Genealogie Online">
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 27 Jun 2016), entry for Janetta Hendriena Carolina Oosthuizen, person ID KH32-WMR.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 27 Jun 2016), entry for Janetta Hendrina Carolina Oosthuizen, person ID 2CB5-KKH.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 27 Jun 2016), entry for Janetta Hendriena Carolina Oosthuizen, person ID 9JHR-91M.
» Quellen » Familienstammbaum M. Tolsma » Genealogie Online">