"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M91X-CY8 : 20 January 2015), Willemeye Masselink in household of Hendrik Masselink, Overisel township, Allegan, Michigan, United States; citing sheet 9B, family 169, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,240,698.