- FamilySe
- 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 William "The Conqueror", person ID LHWG-HRM.
- 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 William The Conqueror King of England, 7th Duke of Normandy, person ID 99MZ-4SJ.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 24 Jun 2016), entry for William, person ID 94TT-JZN.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 24 Jun 2016), entry for William De Normandie, person ID 9CH9-1M7.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 24 Jun 2016), entry for William I or William the Conquero Guillaume I Le Conquberant De Normandie, person ID 9456-Y1H.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 24 Jun 2016), entry for William I, the Conqueror, King of England, Duke of Normandy, person ID 9H17-VTZ.
» Quellen » Familienstammbaum M. Tolsma » Genealogie Online">
- FamilySe
- 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 William "The Conqueror", person ID LHWG-HRM.
- 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 William The Conqueror King of England, 7th Duke of Normandy, person ID 99MZ-4SJ.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 24 Jun 2016), entry for William, person ID 94TT-JZN.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 24 Jun 2016), entry for William De Normandie, person ID 9CH9-1M7.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 24 Jun 2016), entry for William I or William the Conquero Guillaume I Le Conquberant De Normandie, person ID 9456-Y1H.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 24 Jun 2016), entry for William I, the Conqueror, King of England, Duke of Normandy, person ID 9H17-VTZ.
» Quellen » Familienstammbaum M. Tolsma » Genealogie Online">