- FamilySe
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 28 Jun 2016), entry for Johanna Doretha Jordaan, person ID 9CBQ-NBV.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 28 Jun 2016), entry for Johanna Dorothea Jordaan, person ID MWNZ-99S.
» Les sources » Arbre généalogique M. Tolsma » Généalogie Online">
- FamilySe
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 28 Jun 2016), entry for Johanna Doretha Jordaan, person ID 9CBQ-NBV.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 28 Jun 2016), entry for Johanna Dorothea Jordaan, person ID MWNZ-99S.
» Les sources » Arbre généalogique M. Tolsma » Généalogie Online">