Hij is getrouwd met Aletta Remsen.
Zij zijn getrouwd op 8 maart 1843 te Newtown, Queens, New York.
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 William G. Kouwenhoven, person ID MCZT-PH4.
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 William G. Kouwenhoven, person ID MP18-RCQ.
_FSLINK: https://familysearch.org/tree/#view=ancestor&person=MCZT-PH4
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