Il est marié avec Anna Adriana Röell.
Ils se sont mariés le 4 janvier 1946 à 's-Gravenhage, Zuid-Holland, Netherlands , il avait 26 ans.
Source: 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 Princess Elisabeth Heinrich, person ID LLH1-3C9.
_FSLINK: https://familysearch.org/tree/#view=ancestor&person=LLH1-3C9
Naam Voorvoegsel: Jhr.
Source: FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints
accessed 29 Jun 2016), entry for Willem Hendrik van Swinderen, person ID LDZJ-24K.
_FSLINK: https://familysearch.org/tree/#view=ancestor&person=LDZJ-24K
FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 29 Jun 2016), entry for Willem Hendrik van Swinderen, person ID LDZJ-24K. FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 29 Jun 2016), entry for Willem Hendrik van Swinderen, person ID LDZJ-24K.