"Michigan, Marriages, 1868-1925," index and images, FamilySearch (https://familysearch.org/ark:/61903/1:1:N3PC-HPP : accessed 27 April 2015), Leo Jay Roberts and Gertrude Gommers, 01 Jul 1915; citing Holland, Ottawa, Michigan, item 4 p 328 rn 218, Department of Vital Records, Lansing; FHL microfilm 2,342,712.