"Michigan Marriages, 1868-1925," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:N3GC-XBY : accessed 4 August 2015), Andrew Or Anderw Vander Tunk and Jennie Jonkers, 14 May 1914; citing Holland, Ottawa, Michigan, v 5 p 13 rn 125, Department of Vital Records, Lansing; FHL microfilm 2,342,707.