Name: Derk Bolt
Age (Expanded): 68 years
Birth Year: 1848
Birthplace: Netherlands
Spouse's Name: Klassie Vanderwerp
Spouse's Age (Expanded): 68 years
Spouse's Birth Year: 1848
Spouse's Birthplace: Netherlands
Event Date: 14 Sep 1916
Event Place: Grand Rapids, Kent, Michigan
Father's Name: Roelf Bolt
Mother's Name: Jennie Kruizenga
Spouse's Father's Name: Wm. Vanderwerp
Spouse's Mother's Name: Unknown
"Michigan, Marriages, 1868-1925," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/N3PT-HHD : accessed 26 Dec 2013), Derk Bolt and Klassie Vanderwerp, 14 Sep 1916.