Il est marié avec Ada Wilhelmina van Eeghen.
Ils se sont mariés le 15 juillet 1909 à Doorn, Utrecht, Netherlands , il avait 28 ans.
Source: FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints
accessed 22 Jun 2016), entry for Barbara Van Nassau, person ID K239-8F4.
_FSLINK: https://familysearch.org/tree/#view=ancestor&person=K239-8F4
Source: FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints
accessed 23 Jun 2016), entry for William Martin Sr Wright, person ID K2Y7-13F.
_FSLINK: https://familysearch.org/tree/#view=ancestor&person=K2Y7-13F
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 28 Jun 2016), entry for Willem Hendrik de Beaufort, person ID LHDK-9ZH.
_FSLINK: https://familysearch.org/tree/#view=ancestor&person=LHDK-9ZH
FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 28 Jun 2016), entry for Willem Hendrik de Beaufort, person ID LHDK-9ZH. FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 28 Jun 2016), entry for Willem Hendrik de Beaufort, person ID LHDK-9ZH.