"Michigan, Marriages, 1868-1925," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/NQ3M-VXS : accessed 15 February 2015), Sierd Veenstra and Tryntje Kloosterman, 14 Apr 1894; citing Grand Rapids, Kent, Michigan, v 3 p 445 rn 7741, Department of Vital Records, Lansing; FHL microfilm 2,342,499.