Hij is getrouwd met Maria Jacoba Baroness Van Heerdt.
Zij zijn getrouwd op 28 maart 1882, hij was toen 27 jaar oud.
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 Violet M Newman, person ID LKRD-6LR.
_FSLINK: https://familysearch.org/tree/#view=ancestor&person=LKRD-6LR
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 Johann Heinrich Koppern, person ID MCG3-XVD.
_FSLINK: https://familysearch.org/tree/#view=ancestor&person=MCG3-XVD
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 Johann Heinrich Koppern, person ID MCG3-XVD. 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 Johann Heinrich Koppern, person ID MCG3-XVD.