- FamilySearch
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 13 Jun 2016), entry for Matilda of Louvain, person ID LZG2-MSS.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 13 Jun 2016), entry for Mathilde Van Leuven, person ID 9HHG-7HG.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 13 Jun 2016), entry for Matilda of Louvain, person ID L71K-5DH.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 13 Jun 2016), entry for Maud of Boulogne, person ID LC8D-JDG.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 13 Jun 2016), entry for Matilda de Louvain, person ID LH7D-JLC.
» 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 13 Jun 2016), entry for Matilda of Louvain, person ID LZG2-MSS.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 13 Jun 2016), entry for Mathilde Van Leuven, person ID 9HHG-7HG.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 13 Jun 2016), entry for Matilda of Louvain, person ID L71K-5DH.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 13 Jun 2016), entry for Maud of Boulogne, person ID LC8D-JDG.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 13 Jun 2016), entry for Matilda de Louvain, person ID LH7D-JLC.
» Les sources » Arbre généalogique M. Tolsma » Généalogie Online">