She is married to Willem I X.
They got married.
Y
Source: 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 ?, person ID KJ5F-GR2.
_FSLINK: https://familysearch.org/tree/#view=ancestor&person=KJ5F-GR2
The data shown has no sources.