- 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 14 Jun 2016), entry for Rudolph II, person ID 9MY7-54P.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 14 Jun 2016), entry for Rudolph II of Vermandois, person ID K8GG-PFT.
» 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 14 Jun 2016), entry for Rudolph II, person ID 9MY7-54P.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 14 Jun 2016), entry for Rudolph II of Vermandois, person ID K8GG-PFT.
» Quellen » Familienstammbaum M. Tolsma » Genealogie Online">