- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 23 Jun 2016), entry for Rupprecht Eberhard Wilhelm Gero Maria of Urach, person ID LCMC-5N6.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 23 Jun 2016), entry for Rupprecht Eberhard Wilhelm Gero Maria of Urach, person ID LH5J-GCQ.
» Les sources » Arbre généalogique M. Tolsma » Généalogie Online">
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 23 Jun 2016), entry for Rupprecht Eberhard Wilhelm Gero Maria of Urach, person ID LCMC-5N6.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 23 Jun 2016), entry for Rupprecht Eberhard Wilhelm Gero Maria of Urach, person ID LH5J-GCQ.
» Les sources » Arbre généalogique M. Tolsma » Généalogie Online">