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 Alfred Cornelis Charles Eliza Jonkheer Calkoen, person ID L8W1-ZG2 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 Alfred Cornelis Charles Eliza Jonkheer Calkoen, person ID L8W1-ZG2.