- FamilySearch
- 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 Liutgard Luxemburg, person ID 945D-J9Y.
- 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 Liutgard Van Luxemburg, person ID LZLG-YTL.
» Les sources » Arbre généalogique M. Tolsma » Généalogie Online">
- FamilySearch
- 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 Liutgard Luxemburg, person ID 945D-J9Y.
- 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 Liutgard Van Luxemburg, person ID LZLG-YTL.
» Les sources » Arbre généalogique M. Tolsma » Généalogie Online">