- 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 Swanhilde Burgundy, person ID LWN4-W33.
- 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 Swanhilde Countess of Holland, person ID LH7S-1GH.
» 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 Swanhilde Burgundy, person ID LWN4-W33.
- 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 Swanhilde Countess of Holland, person ID LH7S-1GH.
» Les sources » Arbre généalogique M. Tolsma » Généalogie Online">