Name: Johannes Wolthoorn
Age (Expanded): 23 years
Birth Year: 1868
Birthplace: Netherland
Spouse's Name: Katrina Nap
Spouse's Age (Expanded): 23 years
Spouse's Birth Year: 1868
Spouse's Birthplace: Netherland
Event Date: 07 Sep 1891
Event Place: Grand Rapids, Kent, Michigan
Father's Name: Teddo Wolthoorn
Mother's Name: Jantie Hillenga
Spouse's Father's Name: Meindort Nap
Spouse's Mother's Name: Grietjo Bult
"Michigan, Marriages, 1868-1925," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/N361-2SQ : accessed 19 Apr 2014), Johannes Wolthoorn and Katrina Nap, 07 Sep 1891; citing Grand Rapids, Kent, Michigan, item 2 p 56 rn 4458, Department of Vital Records, Lansing; FHL microfilm 2342491.