Name: Jan Donker
Age (Expanded): 63 years
Birth Year: 1813
Birthplace: ...derland, Neth
Spouse's Name: Geraje Sickema
Spouse's Age (Expanded): 39 years
Spouse's Birth Year: 1837
Spouse's Birthplace: Kereizen, Neth
Event Date: 02 Oct 1876
Event Place: Grand Haven, Ottawa, Michigan
"Michigan, Marriages, 1868-1925," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/NQSD-452 : accessed 25 Feb 2014), Jan Donker and Geraje Sickema, 02 Oct 1876.