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 Willem IV, Karel Hendrik Friso Prince of Orange-Nassau, person ID 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 Willem IV, Karel Hendrik Friso Prince of Orange-Nassau, person ID LHFW-VL7.