"Wisconsin, Marriages, 1836-1930," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/XRPN-X6J : accessed 2 January 2015), Klaas Vervelde and Derreske Hindrika Te Lindert, 28 Sep 1869; citing reference #8; FHL microfilm 1,275,567.